Main Vulnerability Database Vulnerabilities #VU27336

Stack-based buffer overflow in musl libc - CVE-2014-3484

Published: April 27, 2020

Vulnerability identifier: #VU27336

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2014-3484

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

musl libc

How to mitigate CVE-2014-3484

Install update from vendor's website.

musl libc - update to 1.1.2

External References

Related Security Bulletins