SB2022112111 - Ubuntu update for flac



SB2022112111 - Ubuntu update for flac

Published: November 21, 2022

Security Bulletin ID SB2022112111
Severity
Low
Patch available
YES
Number of vulnerabilities 3
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 3 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.


3) Out-of-bounds read (CVE-ID: CVE-2021-0561)

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

The vulnerability exists due to a boundary condition within the append_to_verify_fifo_interleaved_ in stream_encoder.c in Media Framework. A local application can trigger an out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.