SB2018021526 - Memory corruption in libvorbis (Alpine package)
Published: February 15, 2018
Security Bulletin ID
SB2018021526
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2017-14632)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to freeing uninitialized memory in the function vorbis_analysis_headerout() in info.c when vi->channels<=0. A remote attacker can supply specially crafted files, trigger memory corruption and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=7ef3db11e4782e5befdfc5296254950cebc733a8
- https://git.alpinelinux.org/aports/commit/?id=4c88d6e438038dd3f6edd42b97421d650984659a
- https://git.alpinelinux.org/aports/commit/?id=e408a1ad1a359d037188ea51cc2b0aa052218846
- https://git.alpinelinux.org/aports/commit/?id=29cff9d10275a6ccef556496c68890e438c82a5d
- https://git.alpinelinux.org/aports/commit/?id=40cdf3534fef3e22e6fbce05a34ff18b125d8ea9
- https://git.alpinelinux.org/aports/commit/?id=c42d614e4be200793b593469247613c411424a83
- https://git.alpinelinux.org/aports/commit/?id=d95b3b237a1cf432689df21b9a0d143e5101245b
- https://git.alpinelinux.org/aports/commit/?id=dec24efcb4cf9a0e74e36f84bb285702f8945207