#VU43049 Input validation error in Linux kernel - CVE-2013-1763
Published: February 28, 2013 / Updated: June 17, 2021
Vulnerability identifier: #VU43049
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2013-1763
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Array index error in the __sock_diag_rcv_msg function in net/core/sock_diag.c in the Linux kernel before 3.7.10 allows local users to gain privileges via a large family value in a Netlink message.
Remediation
Install update from vendor's website.
External links
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6e601a53566d84e1ffd25e7b6fe0b6894ffd79c0
- http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html
- http://openwall.com/lists/oss-security/2013/02/25/12
- http://www.exploit-db.com/exploits/24555
- http://www.exploit-db.com/exploits/24746
- http://www.exploit-db.com/exploits/33336
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/02/24/3
- http://www.ubuntu.com/usn/USN-1749-1
- http://www.ubuntu.com/usn/USN-1750-1
- http://www.ubuntu.com/usn/USN-1751-1
- https://bugzilla.redhat.com/show_bug.cgi?id=915052
- https://github.com/torvalds/linux/commit/6e601a53566d84e1ffd25e7b6fe0b6894ffd79c0