SB2019110629 - Red Hat update for gdb



SB2019110629 - Red Hat update for gdb

Published: November 6, 2019

Security Bulletin ID SB2019110629
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2018-20657)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the demangle_template function in cplus-dem.c in GNU libiberty. A remote attacker can trigger a memory leak via a crafted string and perform denial of service attack.

Remediation

Install update from vendor's website.