Out-of-bounds read in net-snmp.sourceforge.net Net-snmp

1) Out-of-bounds read

EUVDB-ID: #VU43726

Risk: Low

CVSSv3.1: 1.4 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2012-2141

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

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

External links

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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