#VU42749 Input validation error in Linux kernel - CVE-2013-2206

Vulnerability identifier: #VU42749

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-2206

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted SCTP traffic.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Linux kernel: 3.0 - 3.0.68, 3.1 - 3.1.10, 3.2 - 3.2.30, 3.3 - 3.3.8, 3.4 - 3.4.32, 3.5.1 - 3.5.7, 3.6 - 3.6.11, 3.7 - 3.7.10, 3.8.0 - 3.8.3

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External links
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f2815633504b442ca0b0605c16bf3d88a3a0fcea
https://lists.opensuse.org/opensuse-security-announce/2013-11/msg00020.html
https://lists.opensuse.org/opensuse-security-announce/2013-11/msg00021.html
https://lists.opensuse.org/opensuse-security-announce/2013-11/msg00023.html
https://lists.opensuse.org/opensuse-security-announce/2013-11/msg00024.html
https://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
https://rhn.redhat.com/errata/RHSA-2013-1166.html
https://rhn.redhat.com/errata/RHSA-2013-1173.html
https://www.debian.org/security/2013/dsa-2766
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.5
https://www.openwall.com/lists/oss-security/2013/06/21/1
https://www.ubuntu.com/usn/USN-1939-1
https://bugzilla.redhat.com/show_bug.cgi?id=976562
https://github.com/torvalds/linux/commit/f2815633504b442ca0b0605c16bf3d88a3a0fcea

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.