SB2012031312 - Input validation error in libvpx (Alpine package)
Published: March 13, 2012
Security Bulletin ID
SB2012031312
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-0823)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
VP8 Codec SDK (libvpx) before 1.0.0 "Duclair" allows remote attackers to cause a denial of service (application crash) via (1) unspecified "corrupt input" or (2) by "starting decoding from a P-frame," which triggers an out-of-bounds read, related to "the clamping of motion vectors in SPLITMV blocks".
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=32b979f655966733792a029bfe2423a63db478f2
- https://git.alpinelinux.org/aports/commit/?id=8fe9494b04eac0561cba89c33c96cded0df1ab1b
- https://git.alpinelinux.org/aports/commit/?id=ad225a1b63de07bc5399fb24c420ec2ff9a6939b
- https://git.alpinelinux.org/aports/commit/?id=d92b01f86be190d61ddb6a9971b9a0dfdc34c4f7
- https://git.alpinelinux.org/aports/commit/?id=0c421d41866bbc6d926935624ef7393a48d475f3
- https://git.alpinelinux.org/aports/commit/?id=39a57639d7a2689d602c9723b8999cc45e144d9b
- https://git.alpinelinux.org/aports/commit/?id=4d450a0453781b85465fb8e6178722367dc8adde
- https://git.alpinelinux.org/aports/commit/?id=c8556ad3780405d9bf3bc5ff1cdc5397a2c7e33f
- https://git.alpinelinux.org/aports/commit/?id=5d26b44a4e2b1b74b025894c44297abe6398e8de
- https://git.alpinelinux.org/aports/commit/?id=5afa2aaf405fa6ff62f0080f3eef99efeeaf266b