Null pointer dereference in Linux kernel - CVE-2005-2459
Published: August 23, 2005 / Updated: October 19, 2018
Vulnerability identifier: #VU92877
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2005-2459
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The huft_build function in inflate.c in the zlib routines in the Linux kernel before 2.6.12.5 returns the wrong value, which allows remote attackers to cause a denial of service (kernel crash) via a certain compressed file that leads to a null pointer dereference, a different vulnerability than CVE-2005-2458.
How to mitigate CVE-2005-2459
Install update from vendor's repository.
Sources
- http://bugs.gentoo.org/show_bug.cgi?id=94584
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- http://secunia.com/advisories/16355/
- http://secunia.com/advisories/16500
- http://secunia.com/advisories/17826
- http://secunia.com/advisories/17918
- http://secunia.com/advisories/18056
- http://secunia.com/advisories/18059
- http://www.debian.org/security/2005/dsa-921
- http://www.debian.org/security/2005/dsa-922
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- http://www.novell.com/linux/security/advisories/2005_50_kernel.html
- http://www.securityfocus.com/archive/1/419522/100/0/threaded
- http://www.securityfocus.com/bid/14720
- https://usn.ubuntu.com/169-1/