SB2014060702 - Buffer overflow in musl libc library



SB2014060702 - Buffer overflow in musl libc library

Published: June 7, 2014 Updated: April 27, 2020

Security Bulletin ID SB2014060702
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2014-3484)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing an invalid name length in a DNS response in __dn_expand function in network/dn_expand.c in musl libc. A remote attacker can perform a denial of service attack or execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.