Vulnerability Details : CVE-2017-9687
In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, two concurrent threads/processes can write the value of "0" to the debugfs file that controls ipa ipc log which will lead to the double-free in ipc_log_context_destroy(). Another issue is the Use-After-Free which can happen due to the race condition when the ipc log is deallocated via the debugfs call during a log print.
Vulnerability category: Memory Corruption
Products affected by CVE-2017-9687
- cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9687
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9687
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-9687
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9687
-
https://source.android.com/security/bulletin/pixel/2017-10-01
Pixel / Nexus Security Bulletin—October 2017 | Android Open Source ProjectVendor Advisory
-
http://www.securityfocus.com/bid/101160
Google Android Multiple Qualcomm Components Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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