SB2018021401 - Ubuntu update for libvorbis
Published: February 14, 2018
Security Bulletin ID
SB2018021401
Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2017-14632)
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.
2) Out-of-bounds read (CVE-ID: CVE-2017-14633)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the function mapping0_forward() in mapping0.c due to out-of-bounds array read. A remote attacker can send the specially crafted audio file, trick the victim into operating it with vorbis_analysis() and cause the application to crash.
Remediation
Install update from vendor's website.