Input validation error in Linux kernel - CVE-2010-4160
Published: January 7, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45491
CSH Severity: High
CVSS v4.0: 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:U/U:Amber
CVE-ID: CVE-2010-4160
CWE-ID: CWE-20
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 execute arbitrary code.
Multiple integer overflows in the (1) pppol2tp_sendmsg function in net/l2tp/l2tp_ppp.c, and the (2) l2tp_ip_sendmsg function in net/l2tp/l2tp_ip.c, in the PPPoL2TP and IPoL2TP implementations in the Linux kernel before 2.6.36.2 allow local users to cause a denial of service (heap memory corruption and panic) or possibly gain privileges via a crafted sendto call.
How to mitigate CVE-2010-4160
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=253eacc070b114c2ec1f81b067d2fed7305467b0
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8acfe468b0384e834a303f08ebc4953d72fb690a
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://openwall.com/lists/oss-security/2010/11/10/16
- http://openwall.com/lists/oss-security/2010/11/10/5
- http://openwall.com/lists/oss-security/2010/11/24/12
- http://openwall.com/lists/oss-security/2010/11/24/4
- http://openwall.com/lists/oss-security/2010/11/24/5
- http://openwall.com/lists/oss-security/2010/11/24/6
- http://secunia.com/advisories/42801
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/42932
- http://secunia.com/advisories/43056
- http://secunia.com/advisories/43291
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.securityfocus.com/bid/44762
- http://www.spinics.net/lists/netdev/msg145248.html
- http://www.spinics.net/lists/netdev/msg145673.html
- http://www.vupen.com/english/advisories/2011/0012
- http://www.vupen.com/english/advisories/2011/0124
- http://www.vupen.com/english/advisories/2011/0213
- http://www.vupen.com/english/advisories/2011/0375
- http://xorl.wordpress.com/2010/11/11/cve-2010-4160-linux-kernel-l2tp-integer-overflows/
- https://bugzilla.redhat.com/show_bug.cgi?id=651892