CVE-2011-1175

Description

tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.28%

Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory asterisk.org Vendor Advisory vupen.com Vendor Advisory vupen.com

Affected: n/a n/a

References

Link	Tags
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057156.html	vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66140	vdb entry
http://downloads.asterisk.org/pub/security/AST-2011-004.html	patch vendor advisory
http://www.debian.org/security/2011/dsa-2225	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057163.html	vendor advisory
http://openwall.com/lists/oss-security/2011/03/17/5	mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=688678
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.html	patch vendor advisory
http://www.vupen.com/english/advisories/2011/0686	vdb entry vendor advisory
http://www.vupen.com/english/advisories/2011/0790	vdb entry vendor advisory
http://securitytracker.com/id?1025224	vdb entry
http://www.securityfocus.com/bid/46898	vdb entry
http://openwall.com/lists/oss-security/2011/03/21/12	mailing list patch

Frequently Asked Questions

What is the severity of CVE-2011-1175?: CVE-2011-1175 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1175?: To fix CVE-2011-1175, 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-2011-1175 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2011-1175 is being actively exploited. 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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