#VU42941 Buffer overflow in DHCP - CVE-2013-2494
Published: March 28, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42941
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-2494
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
DHCP
DHCP
Software vendor:
ISC
ISC
Description
The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.
libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266.
Remediation
Install update from vendor's website.