CVE-2011-1175

Home/CVE/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 bef

CVE

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 bef

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.

MEDIUM · CVSS 5 EPSS 0.00284

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

▤

Affected Products & Versions

digium asteriskall versions

▣

Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD31 Mar 2011 · 10:55 PM

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://downloads.asterisk.org/pub/security/AST-2011-004.htmlPatchVendor Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.htmlPatch

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057156.html

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057163.html

http://openwall.com/lists/oss-security/2011/03/17/5

http://openwall.com/lists/oss-security/2011/03/21/12Patch

Show all 13 references

http://securitytracker.com/id?1025224

http://www.debian.org/security/2011/dsa-2225

http://www.securityfocus.com/bid/46898

http://www.vupen.com/english/advisories/2011/0686Vendor Advisory

http://www.vupen.com/english/advisories/2011/0790Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=688678

https://exchange.xforce.ibmcloud.com/vulnerabilities/66140

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin