CVE-2010-4160
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 6.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-190 · Integer overflow
- Record status
- Modified
Affected
- Linux Kernel < 2.6.36.2
- Opensuse 11.2
- Suse Linux Enterprise Desktop 10
- Suse Linux Enterprise Desktop 11
- Suse Linux Enterprise Server 9
- Suse Linux Enterprise Server 10
- Suse Linux Enterprise Server 11
- Suse Linux Enterprise Software Development Kit 10
Attack profile CVSS 2.0 · 6.9
- Attack vector
- Local
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2010-4160.md and follow it. Check whether this project is affected by CVE-2010-4160. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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/2010/11/24/4
- http://openwall.com/lists/oss-security/2010/11/24/5
- http://openwall.com/lists/oss-security/2010/11/24/6
- http://www.spinics.net/lists/netdev/msg145673.html
- https://bugzilla.redhat.com/show_bug.cgi?id=651892
- 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/2010/11/24/4
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=253eacc070b114c2ec1f81b067d2fed7305467b0
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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