#VU42747 Input validation error in Linux kernel - CVE-2013-1059

Vulnerability identifier: #VU42747

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-1059

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 an auth_reply message that triggers an attempted build_request operation.

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 - 3.8.8, 3.9 - 3.9.9

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External links
https://hkpco.kr/advisory/CVE-2013-1059.txt
https://lists.opensuse.org/opensuse-security-announce/2013-07/msg00012.html
https://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
https://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
https://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
https://www.openwall.com/lists/oss-security/2013/07/09/7
https://www.ubuntu.com/usn/USN-1941-1
https://www.ubuntu.com/usn/USN-1942-1
https://bugzilla.redhat.com/attachment.cgi?id=767633&action=diff
https://bugzilla.redhat.com/show_bug.cgi?id=977356

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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.