NULL pointer dereference in net-snmp.sourceforge.net Net-snmp

1) NULL pointer dereference

EUVDB-ID: #VU33298

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-2285

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via an empty community string in an SNMP trap, which triggers a NULL pointer dereference within the newSVpv function in Perl.

Mitigation

Update to version 5.7.3.pre4.

Vulnerable software versions

Net-snmp: 5.7.3.pre3

CPE2.3

• cpe:2.3:a:net-snmp_sourceforge_net:net-snmp:5.7.3.pre3:*:*:*:*:*:*:*

External links

https://comments.gmane.org/gmane.comp.security.oss.general/12284
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
https://lists.opensuse.org/opensuse-updates/2014-03/msg00060.html
https://lists.opensuse.org/opensuse-updates/2014-03/msg00061.html
https://secunia.com/advisories/59974
https://sourceforge.net/p/net-snmp/patches/1275/
https://www.gentoo.org/security/en/glsa/glsa-201409-02.xml
https://www.nntp.perl.org/group/perl.perl5.porters/2006/09/msg116250.html
https://bugzilla.redhat.com/show_bug.cgi?id=1072044
https://bugzilla.redhat.com/show_bug.cgi?id=1072778
https://rhn.redhat.com/errata/RHSA-2014-0322.html

Q & A

Can this vulnerability be exploited remotely?

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