CVE-2009-2651

Public Exploit

Description

main/rtp.c in Asterisk Open Source 1.6.1 before 1.6.1.2 allows remote attackers to cause a denial of service (crash) via an RTP text frame without a certain delimiter, which triggers a NULL pointer dereference and the subsequent calculation of an invalid pointer.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory asterisk.org Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id?1022608 vdb entry
http://osvdb.org/56571 vdb entry
http://downloads.digium.com/pub/security/AST-2009-004-1.6.1.diff.txt exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/52046 vdb entry
http://downloads.asterisk.org/pub/security/AST-2009-004.html vendor advisory
http://www.securityfocus.com/bid/35837 vdb entry
http://secunia.com/advisories/36039 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2009/2067 vdb entry patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-2651?
CVE-2009-2651 has been scored as a medium severity vulnerability.
How to fix CVE-2009-2651?
To fix CVE-2009-2651, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2651 being actively exploited in the wild?
It is possible that CVE-2009-2651 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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