SB2019030721 - Out-of-bounds read in libsndfile (Alpine package)
Published: March 7, 2019
Security Bulletin ID
SB2019030721
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) Out-of-bounds read (CVE-ID: CVE-2019-3832)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the wav_write_header() function in wav.c file when processing media content. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.
Note: this vulnerability is a result of an unresolved issues, described in SB2018112313 (#5).
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=83d74e47d53224f58b4350ae12ffbe8f508593e6
- https://git.alpinelinux.org/aports/commit/?id=1245056475ad59a71c91494d1e1820f323e22911
- https://git.alpinelinux.org/aports/commit/?id=3703250ef2269941c344056e51531ea3c4aede77
- https://git.alpinelinux.org/aports/commit/?id=afcf91b3195a7e0e88b3c570d405ddd1f4591460