CVE-2011-1175
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 2.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.7% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.7% · EPSS, next 30 days
- Record status
- Modified
Affected
- Digium Asterisk 1.6.1
- Digium Asterisk 1.6.1.0
- Digium Asterisk 1.6.1.1
- Digium Asterisk 1.6.1.2
- Digium Asterisk 1.6.1.3
- Digium Asterisk 1.6.1.4
- Digium Asterisk 1.6.1.5
- Digium Asterisk 1.6.1.6
Attack profile CVSS 2.0 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-1175.md and follow it. Check whether this project is affected by CVE-2011-1175. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://downloads.asterisk.org/pub/security/AST-2011-004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.html
- http://openwall.com/lists/oss-security/2011/03/21/12
- http://www.vupen.com/english/advisories/2011/0686
- http://www.vupen.com/english/advisories/2011/0790
- http://downloads.asterisk.org/pub/security/AST-2011-004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.html
- http://openwall.com/lists/oss-security/2011/03/21/12
- http://www.vupen.com/english/advisories/2011/0686
- http://www.vupen.com/english/advisories/2011/0790
References
- http://downloads.asterisk.org/pub/security/AST-2011-004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.html
- 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/2011/03/21/12
- 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/2011/0686
- http://www.vupen.com/english/advisories/2011/0790
- https://bugzilla.redhat.com/show_bug.cgi?id=688678
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66140
- http://downloads.asterisk.org/pub/security/AST-2011-004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.html
- 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/2011/03/21/12
- 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/2011/0686
- http://www.vupen.com/english/advisories/2011/0790
- https://bugzilla.redhat.com/show_bug.cgi?id=688678