Security restrictions bypass in Linux kernel - CVE-2005-3257
Published: October 19, 2005 / Updated: August 2, 2024
Vulnerability identifier: #VU95243
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2005-3257
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to read and manipulate data.
The VT implementation (vt_ioctl.c) in Linux kernel 2.6.12, and possibly other versions including 2.6.14.4, allows local users to use the KDSKBSENT ioctl on terminals of other users and gain privileges, as demonstrated by modifying key bindings using loadkeys.
Affected software
Linux kernel
How to mitigate CVE-2005-3257
Install update from vendor's repository.
Links to Public Exploits and PoC-codes
External References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=334113
- http://rhn.redhat.com/errata/RHBA-2007-0304.html
- http://secunia.com/advisories/17226
- http://secunia.com/advisories/17826
- http://secunia.com/advisories/17995
- http://secunia.com/advisories/18203
- http://secunia.com/advisories/19185
- http://secunia.com/advisories/19369
- http://secunia.com/advisories/19374
- http://www.debian.org/security/2006/dsa-1017
- http://www.debian.org/security/2006/dsa-1018
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:235
- http://www.securityfocus.com/bid/15122
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10615
- https://usn.ubuntu.com/231-1/