#VU43726 Out-of-bounds read in Net-snmp - CVE-2012-2141

Vulnerability identifier: #VU43726

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2012-2141

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Net-snmp
Server applications / Remote management servers, RDP, SSH

Vendor: net-snmp.sourceforge.net

Description

The vulnerability allows a remote attacker to gain access to perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the the handle_nsExtendOutput2Table function function in agent/mibgroup/agent/extend.c file. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Net-snmp: 5.7.1

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External links
https://rhn.redhat.com/errata/RHSA-2013-0124.html
https://secunia.com/advisories/48938
https://secunia.com/advisories/59974
https://support.citrix.com/article/CTX139049
https://www.gentoo.org/security/en/glsa/glsa-201409-02.xml
https://www.openwall.com/lists/oss-security/2012/04/26/2
https://www.openwall.com/lists/oss-security/2012/04/26/3
https://www.securityfocus.com/bid/53255
https://www.securityfocus.com/bid/53258
https://www.securitytracker.com/id?1026984
https://bugzilla.redhat.com/show_bug.cgi?id=815813
https://exchange.xforce.ibmcloud.com/vulnerabilities/75169

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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