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diff --git a/en/security/bulletin/2018-05-01.html b/en/security/bulletin/2018-05-01.html new file mode 100644 index 00000000..bc45a35b --- /dev/null +++ b/en/security/bulletin/2018-05-01.html @@ -0,0 +1,604 @@ +<html devsite> + <head> + <title>Android Security Bulletin—May 2018</title> + <meta name="project_path" value="/_project.yaml" /> + <meta name="book_path" value="/_book.yaml" /> + </head> + <body> + <!-- + Copyright 2018 The Android Open Source Project + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + //www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + --> + +<p><em>Published May 7, 2018</em></p> + +<p> +The Android Security Bulletin contains details of security vulnerabilities +affecting Android devices. Security patch levels of 2018-05-05 or later address +all of these issues. To learn how to check a device's security patch level, see +<a href="https://support.google.com/pixelphone/answer/4457705">Check & update +your Android version</a>. +</p> +<p> +Android partners are notified of all issues at least a month before publication. +Source code patches for these issues will be released to the Android Open Source +Project (AOSP) repository in the next 48 hours. We will revise this bulletin with +the AOSP links when they are available. +</p> +<p> +The most severe of these issues is a critical security vulnerability in Media +framework that could enable a remote attacker using a specially crafted file to +execute arbitrary code within the context of a privileged process. The +<a href="/security/overview/updates-resources.html#severity">severity +assessment</a> is based on the effect that exploiting the vulnerability would +possibly have on an affected device, assuming the platform and service +mitigations are turned off for development purposes or if successfully bypassed. +</p> +<p> +We have had no reports of active customer exploitation or abuse of these newly +reported issues. Refer to the <a href="#mitigations">Android and Google Play +Protect mitigations</a> section for details on the +<a href="/security/enhancements/index.html">Android security platform protections</a> +and Google Play Protect, which improve the security of the Android platform. +</p> +<p class="note"> +<strong>Note:</strong> Information on the latest over-the-air update (OTA) and +firmware images for Google devices is available in the +<a href="/security/bulletin/pixel/2018-05-01.html">May +2018 Pixel / Nexus Security Bulletin</a>. +</p> + + +<h2 id="mitigations">Android and Google service mitigations</h2> + +<p> +This is a summary of the mitigations provided by the +<a href="/security/enhancements/index.html">Android security platform</a> +and service protections such as +<a href="https://www.android.com/play-protect">Google Play Protect</a>. +These capabilities reduce the likelihood that security vulnerabilities +could be successfully exploited on Android. +</p> +<ul> +<li>Exploitation for many issues on Android is made more difficult by +enhancements in newer versions of the Android platform. We encourage all users +to update to the latest version of Android where possible.</li> +<li>The Android security team actively monitors for abuse through +<a href="https://www.android.com/play-protect">Google Play Protect</a> +and warns users about +<a href="/security/reports/Google_Android_Security_PHA_classifications.pdf">Potentially +Harmful Applications</a>. Google Play Protect is enabled by default on devices +with <a href="http://www.android.com/gms">Google Mobile Services</a>, and is +especially important for users who install apps from outside of Google +Play.</li> +</ul> + +<h2 id="2018-05-01-details">2018-05-01 security patch level vulnerability details</h2> + +<p> +In the sections below, we provide details for each of the security +vulnerabilities that apply to the 2018-05-01 patch level. Vulnerabilities are +grouped under the component that they affect. There is a description of the +issue and a table with the CVE, associated references, +<a href="#type">type of vulnerability</a>, +<a href="/security/overview/updates-resources.html#severity">severity</a>, +and updated AOSP versions (where applicable). When available, we link the public +change that addressed the issue to the bug ID, like the AOSP change list. When +multiple changes relate to a single bug, additional references are linked to +numbers following the bug ID. +</p> + +<h3 id="android-runtime">Android runtime</h3> +<p>The most severe vulnerability in this section could enable a remote attacker +to access data normally accessible only to locally installed applications with +permissions.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Updated AOSP versions</th> + </tr> + <tr> + <td>CVE-2017-13309</td> + <td>A-73251618</td> + <td>ID</td> + <td>High</td> + <td>8.1</td> + </tr> +</table> + + +<h3 id="framework">Framework</h3> +<p>The most severe vulnerability in this section could enable a local malicious +application to bypass user interaction requirements in order to gain access to +additional permissions.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Updated AOSP versions</th> + </tr> + <tr> + <td>CVE-2017-13310</td> + <td>A-71992105</td> + <td>EoP</td> + <td>High</td> + <td>6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1</td> + </tr> + <tr> + <td>CVE-2017-13311</td> + <td>A-73252178</td> + <td>EoP</td> + <td>High</td> + <td>7.0, 7.1.1, 7.1.2, 8.0, 8.1</td> + </tr> +</table> + + +<h3 id="media-framework">Media framework</h3> +<p>The most severe vulnerability in this section could enable a local malicious +application to bypass user interaction requirements in order to gain access to +additional permissions.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Updated AOSP versions</th> + </tr> + <tr> + <td>CVE-2017-13312</td> + <td>A-73085795</td> + <td>EoP</td> + <td>High</td> + <td>8.0</td> + </tr> + <tr> + <td>CVE-2017-13313</td> + <td>A-74114680</td> + <td>DoS</td> + <td>High</td> + <td>6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1</td> + </tr> +</table> + + +<h3 id="system">System</h3> +<p>The most severe vulnerability in this section could enable a local malicious +application to bypass user interaction requirements in order to gain access to +additional permissions.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Updated AOSP versions</th> + </tr> + <tr> + <td>CVE-2017-13314</td> + <td>A-63000005</td> + <td>EoP</td> + <td>High</td> + <td>7.0, 7.1.1, 7.1.2, 8.0, 8.1</td> + </tr> + <tr> + <td>CVE-2017-13315</td> + <td>A-70721937</td> + <td>EoP</td> + <td>High</td> + <td>6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1</td> + </tr> +</table> + + +<h2 id="2018-05-05-details">2018-05-05 security patch level vulnerability details</h2> + +<p> +In the sections below, we provide details for each of the security +vulnerabilities that apply to the 2018-05-05 patch level. Vulnerabilities are +grouped under the component that they affect and include details such as the +CVE, associated references, <a href="#type">type of vulnerability</a>, +<a href="/security/overview/updates-resources.html#severity">severity</a>, +component (where applicable), and updated AOSP versions (where applicable). When +available, we link the public change that addressed the issue to the bug ID, +like the AOSP change list. When multiple changes relate to a single bug, +additional references are linked to numbers following the bug ID. +</p> + +<h3 id="kernel-components">Kernel components</h3> +<p>The most severe vulnerability in this section could enable a local malicious +application to bypass operating system protections that isolate application +data from other applications.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Component</th> + </tr> + <tr> + <td>CVE-2017-16643</td> + <td>A-69916367<br /> + <a href="https://github.com/torvalds/linux/commit/a50829479f58416a013a4ccca791336af3c584c7"> +Upstream kernel</a></td> + <td>ID</td> + <td>High</td> + <td>USB driver</td> + </tr> + <tr> + <td>CVE-2017-5754</td> + <td>A-69856074<a href="#asterisk">*</a></td> + <td>ID</td> + <td>High</td> + <td>Memory mapping</td> + </tr> +</table> + + +<h3 id="nvidia-components">NVIDIA components</h3> +<p>The most severe vulnerability in this section could enable a local malicious +application to execute arbitrary code within the context of the TEE.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Component</th> + </tr> + <tr> + <td>CVE-2017-6289</td> + <td>A-72830049<a href="#asterisk">*</a></td> + <td>EoP</td> + <td>Critical</td> + <td>TEE</td> + </tr> + <tr> + <td>CVE-2017-5715</td> + <td>A-71686116<a href="#asterisk">*</a></td> + <td>ID</td> + <td>High</td> + <td>TLK</td> + </tr> + <tr> + <td>CVE-2017-6293</td> + <td>A-69377364<a href="#asterisk">*</a></td> + <td>EoP</td> + <td>High</td> + <td>NVIDIA Tegra X1 TZ</td> + </tr> +</table> + + +<h3 id="qualcomm-components">Qualcomm components</h3> +<p>The most severe vulnerability in this section could enable a proximate +attacker using a specially crafted file to execute arbitrary code within the +context of a privileged process.</p> + +<table> + <col width="17%"> + <col width="19%"> + <col width="9%"> + <col width="14%"> + <col width="39%"> + <tr> + <th>CVE</th> + <th>References</th> + <th>Type</th> + <th>Severity</th> + <th>Component</th> + </tr> + <tr> + <td>CVE-2018-3580</td> + <td>A-72957507<br /> + <a href="https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=55dcc8d5ae9611e772a7ba572755192cf5415f04"> +QC-CR#2149187</a></td> + <td>RCE</td> + <td>Critical</td> + <td>WLAN</td> + </tr> + <tr> + <td>CVE-2018-5841</td> + <td>A-72957293<br /> + <a href="https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=c3b82b337b1bbe854d330fc248b389b1ff11c248"> +QC-CR#2073502</a></td> + <td>EoP</td> + <td>High</td> + <td>DCC</td> + </tr> + <tr> + <td>CVE-2018-5850</td> + <td>A-72957135<br /> + <a href="https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=58b04ed29f44a8b49e0fa2f22b2a0ecf87324243"> +QC-CR#2141458</a></td> + <td>EoP</td> + <td>High</td> + <td>WLAN</td> + </tr> + <tr> + <td>CVE-2018-5846</td> + <td>A-71501683<br /> + <a href="https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=616bb99045d728088b445123dfdff8eadcc27090"> +QC-CR#2120063</a></td> + <td>EoP</td> + <td>High</td> + <td>Radio internet packet accelerator</td> + </tr> + <tr> + <td>CVE-2018-5845</td> + <td>A-71501680<br /> + <a href="https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=a989f5c6398175cc7354b9cdf0424449f8dd9860"> +QC-CR#2119081</a></td> + <td>EoP</td> + <td>High</td> + <td>GPU</td> + </tr> + <tr> + <td>CVE-2018-5840</td> + <td>A-71501678<br /> + <a href="https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=5d1c951ee0e3b06f96736eed25869bbfaf77efbc"> +QC-CR#2052024</a></td> + <td>EoP</td> + <td>High</td> + <td>GPU</td> + </tr> + <tr> + <td>CVE-2017-18154</td> + <td>A-62872238<a href="#asterisk">*</a><br /> + QC-CR#2109325</td> + <td>EoP</td> + <td>High</td> + <td>Libgralloc</td> + </tr> + <tr> + <td>CVE-2018-3578</td> + <td>A-72956999<br /> + <a href="https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=0f22d9370eb848ee751a94a7ff472c335e934890"> +QC-CR#2145573</a></td> + <td>EoP</td> + <td>High</td> + <td>WLAN</td> + </tr> + <tr> + <td>CVE-2018-3565</td> + <td>A-72957234<br /> + <a href="https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=ab91234d52984a86a836561578c8ab85cf0b5f2f"> +QC-CR#2138555</a></td> + <td>EoP</td> + <td>High</td> + <td>WLAN</td> + </tr> + <tr> + <td>CVE-2017-13077</td> + <td>A-77481464<a href="#asterisk">*</a></td> + <td>EoP</td> + <td>High</td> + <td>WLAN</td> + </tr> + <tr> + <td>CVE-2018-3562</td> + <td>A-72957526<br /> + <a href="https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=7e82edc9f1ed60fa99dd4da29f91c4ad79470d7e">QC-CR#2147955</a> + [<a href="https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=70a5ee609ef6199dfcd8cce6198edc6f48b16bec">2</a>]</td> + <td>DoS</td> + <td>High</td> + <td>WLAN</td> + </tr> +</table> + +<h2 id="common-questions-and-answers">Common questions and answers</h2> +<p> +This section answers common questions that may occur after reading this +bulletin.</p> + +<p><strong>1. How do I determine if my device is updated to address these issues? +</strong></p> +<p>To learn how to check a device's security patch level, see +<a href="https://support.google.com/pixelphone/answer/4457705#pixel_phones&nexus_devices">Check +and update your Android version</a>.</p> +<ul> +<li>Security patch levels of 2018-05-01 or later address all issues associated +with the 2018-05-01 security patch level.</li> +<li>Security patch levels of 2018-05-05 or later address all issues associated +with the 2018-05-05 security patch level and all previous patch levels.</li> +</ul> +<p> +Device manufacturers that include these updates should set the patch string +level to: +</p> +<ul> +<li>[ro.build.version.security_patch]:[2018-05-01]</li> +<li>[ro.build.version.security_patch]:[2018-05-05]</li> +</ul> +<p> +<strong>2. Why does this bulletin have two security patch levels?</strong> +</p> +<p> +This bulletin has two security patch levels so that Android partners have the +flexibility to fix a subset of vulnerabilities that are similar across all +Android devices more quickly. Android partners are encouraged to fix all issues +in this bulletin and use the latest security patch level. +</p> +<ul> +<li>Devices that use the 2018-05-01 security patch level must include all issues +associated with that security patch level, as well as fixes for all issues +reported in previous security bulletins.</li> +<li>Devices that use the security patch level of 2018-05-05 or newer must +include all applicable patches in this (and previous) security +bulletins.</li> +</ul> +<p> +Partners are encouraged to bundle the fixes for all issues they are addressing +in a single update. +</p> +<p id="type"> +<strong>3. What do the entries in the <em>Type</em> column mean?</strong> +</p> +<p> +Entries in the <em>Type</em> column of the vulnerability details table reference +the classification of the security vulnerability. +</p> +<table> + <col width="25%"> + <col width="75%"> + <tr> + <th>Abbreviation</th> + <th>Definition</th> + </tr> + <tr> + <td>RCE</td> + <td>Remote code execution</td> + </tr> + <tr> + <td>EoP</td> + <td>Elevation of privilege</td> + </tr> + <tr> + <td>ID</td> + <td>Information disclosure</td> + </tr> + <tr> + <td>DoS</td> + <td>Denial of service</td> + </tr> + <tr> + <td>N/A</td> + <td>Classification not available</td> + </tr> +</table> +<p> +<strong>4. What do the entries in the <em>References</em> column mean?</strong> +</p> +<p> +Entries under the <em>References</em> column of the vulnerability details table +may contain a prefix identifying the organization to which the reference value +belongs. +</p> +<table> + <col width="25%"> + <col width="75%"> + <tr> + <th>Prefix</th> + <th>Reference</th> + </tr> + <tr> + <td>A-</td> + <td>Android bug ID</td> + </tr> + <tr> + <td>QC-</td> + <td>Qualcomm reference number</td> + </tr> + <tr> + <td>M-</td> + <td>MediaTek reference number</td> + </tr> + <tr> + <td>N-</td> + <td>NVIDIA reference number</td> + </tr> + <tr> + <td>B-</td> + <td>Broadcom reference number</td> + </tr> +</table> +<p id="asterisk"> +<strong>5. What does a * next to the Android bug ID in the <em>References</em> +column mean?</strong> +</p> +<p> +Issues that are not publicly available have a * next to the Android bug ID in +the <em>References</em> column. The update for that issue is generally contained +in the latest binary drivers for Nexus devices available from the <a +href="https://developers.google.com/android/nexus/drivers">Google Developer +site</a>. +</p> +<p> +<strong>6. Why are security vulnerabilities split between this bulletin and +device/partner security bulletins, such as the Pixel / Nexus bulletin?</strong> +</p> +<p> +Security vulnerabilities that are documented in this security bulletin are +required in order to declare the latest security patch level on Android devices. +Additional security vulnerabilities that are documented in the +device / partner security bulletins are not required for declaring +a security patch level. Android device and chipset manufacturers are encouraged +to document the presence of other fixes on their devices through their own security +websites, such as the +<a href="https://security.samsungmobile.com/securityUpdate.smsb">Samsung</a>, +<a href="https://lgsecurity.lge.com/security_updates.html">LGE</a>, or +<a href="/security/bulletin/pixel/">Pixel / Nexus</a> +security bulletins. +</p> +<h2 id="versions">Versions</h2> +<table> + <col width="25%"> + <col width="25%"> + <col width="50%"> + <tr> + <th>Version</th> + <th>Date</th> + <th>Notes</th> + </tr> + <tr> + <td>1.0</td> + <td>May 7, 2018</td> + <td>Bulletin published.</td> + </tr> +</table> +</body> +</html> |