Buffer overflow in dhcpcd and Debian Linux - CVE-2012-6700
Published: April 11, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40403
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-6700
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.
Affected software
dhcpcd
Debian Linux
Debian Linux
How to mitigate CVE-2012-6700
Install update from vendor's website.