CVE-2014-2285: Input Validation
First published: Wed Mar 05 2014(Updated: )
A remote denial-of-Service flaw was found in the way snmptrapd handled trap requests with empty community string, when the perl handler was enabled. A remote attacker could use this flaw to cause snmp to crash. More details about the flaw is available at: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - snmptrapd segfaults under specific conditions" href="show_bug.cgi?id=1072044">https://bugzilla.redhat.com/show_bug.cgi?id=1072044</a> Proposed upstream patch: <a href="http://sourceforge.net/p/net-snmp/patches/1275/">http://sourceforge.net/p/net-snmp/patches/1275/</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Net-SNMP Agent Libraries | <=5.7.3 |
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Reference Links
- http://comments.gmane.org/gmane.comp.security.oss.general/12284
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00060.html
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00061.html
- http://secunia.com/advisories/59974
- http://sourceforge.net/p/net-snmp/patches/1275/
- http://www.gentoo.org/security/en/glsa/glsa-201409-02.xml
- http://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
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1072044
- https://access.redhat.com/security/cve/CVE-2014-2285
- http://www.openwall.com/lists/oss-security/2014/03/05/9
- http://perl5.git.perl.org/perl.git/commitdiff/ddfa59c
Frequently Asked Questions
What is the severity of CVE-2014-2285?
CVE-2014-2285 is classified as a high severity denial-of-service vulnerability.
How does CVE-2014-2285 affect my system?
CVE-2014-2285 can cause snmptrapd to crash when it processes trap requests with an empty community string.
How do I fix CVE-2014-2285?
To fix CVE-2014-2285, upgrade to a version of Net-SNMP newer than 5.7.3 where this vulnerability is addressed.
Which versions of Net-SNMP are vulnerable to CVE-2014-2285?
Net-SNMP versions up to and including 5.7.3 are vulnerable to CVE-2014-2285.
Is there a workaround for CVE-2014-2285?
A potential workaround for CVE-2014-2285 is to disable the perl handler in snmptrapd configuration.
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