SB2021021415 - Fedora 33 update for mingw-flac



SB2021021415 - Fedora 33 update for mingw-flac

Published: February 14, 2021

Security Bulletin ID SB2021021415
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Memory leak (CVE-ID: CVE-2017-6888)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the "read_metadata_vorbiscomment_()" function in src/libFLAC/stream_decoder.c due to memory leak. A remote attacker can trick the victim into opening a specially crafted FLAC file and cause the service to crash.


2) Out-of-bounds read (CVE-ID: CVE-2020-0499)

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to a boundary condition within the FLAC__bitreader_read_rice_signed_block() function in bitreader.c. A local user can trigger an out-of-bounds read error and gain access to sensitive information.


Remediation

Install update from vendor's website.