Integer overflow in Linux kernel - CVE-2003-0961
Published: December 15, 2003 / Updated: August 7, 2024
Vulnerability identifier: #VU95485
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2003-0961
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code.
Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22 and earlier allows local users to gain root privileges.
Affected software
Linux kernel
How to mitigate CVE-2003-0961
Install update from vendor's repository.
Links to Public Exploits and PoC-codes
External References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000796
- http://isec.pl/papers/linux_kernel_do_brk.pdf
- http://marc.info/?l=bugtraq&m=107064798706473&w=2
- http://marc.info/?l=bugtraq&m=107064830206816&w=2
- http://marc.info/?l=bugtraq&m=107394143105081&w=2
- http://secunia.com/advisories/10328
- http://secunia.com/advisories/10329
- http://secunia.com/advisories/10330
- http://secunia.com/advisories/10333
- http://secunia.com/advisories/10338
- http://www.debian.org/security/2003/dsa-403
- http://www.debian.org/security/2004/dsa-417
- http://www.debian.org/security/2004/dsa-423
- http://www.debian.org/security/2004/dsa-433
- http://www.debian.org/security/2004/dsa-439
- http://www.debian.org/security/2004/dsa-440
- http://www.debian.org/security/2004/dsa-442
- http://www.debian.org/security/2004/dsa-450
- http://www.debian.org/security/2004/dsa-470
- http://www.debian.org/security/2004/dsa-475
- http://www.kb.cert.org/vuls/id/301156
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:110
- http://www.novell.com/linux/security/advisories/2003_049_kernel.html
- http://www.redhat.com/support/errata/RHSA-2003-368.html
- http://www.redhat.com/support/errata/RHSA-2003-389.html