NULL pointer dereference in NSD - CVE-2012-2978
Published: July 27, 2012 / Updated: August 4, 2020
Vulnerability identifier: #VU33692
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2978
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted DNS packet.
Affected software
NSD
nsd (Alpine package)
nsd
Fedora
nsd (Alpine package)
nsd
Fedora
How to mitigate CVE-2012-2978
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
nsd (Alpine package) - update to 3.2.12-r0
nsd - addressed in versions 3.2.12-1.el5, 3.2.12-1.el6
nsd - addressed in versions 3.2.12-1.el5, 3.2.12-1.el6