CVE-2012-2947
UnknownEPSS 2.33%
Last modified
CVE-2012-2947 is a vulnerability of currently unknown severity. chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.
Description
chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Debian | Debian Linux | 6.0 | — |
| Digium | Asterisk | 1.8.0 | — |
| Digium | Asterisk | 1.8.1 | — |
| Digium | Asterisk | 1.8.1.1 | — |
| Digium | Asterisk | 1.8.1.2 | — |
| Digium | Asterisk | 1.8.2 | — |
| Digium | Asterisk | 1.8.2.1 | — |
| Digium | Asterisk | 1.8.2.2 | — |
| Digium | Asterisk | 1.8.2.3 | — |
| Digium | Asterisk | 1.8.2.4 | — |
| Digium | Asterisk | 1.8.3 | — |
| Digium | Asterisk | 1.8.3.1 | — |
| Digium | Asterisk | 1.8.3.2 | — |
| Digium | Asterisk | 1.8.3.3 | — |
| Digium | Asterisk | 1.8.4 | — |
| Digium | Asterisk | 1.8.4.1 | — |
| Digium | Asterisk | 1.8.4.2 | — |
| Digium | Asterisk | 1.8.4.3 | — |
| Digium | Asterisk | 1.8.4.4 | — |
| Digium | Asterisk | 1.8.5 | — |
| Digium | Asterisk | 1.8.5.0 | — |
| Digium | Asterisk | 1.8.6.0 | — |
| Digium | Asterisk | 1.8.7.0 | — |
| Digium | Asterisk | 1.8.7.1 | — |
| Digium | Asterisk | 1.8.8.0 | — |
| Digium | Asterisk | 1.8.8.1 | — |
| Digium | Asterisk | 1.8.8.2 | — |
| Digium | Asterisk | 1.8.9.0 | — |
| Digium | Asterisk | 1.8.9.1 | — |
| Digium | Asterisk | 1.8.9.2 | — |
| Digium | Asterisk | 1.8.9.3 | — |
| Digium | Asterisk | 1.8.10.0 | — |
| Digium | Asterisk | 1.8.10.1 | — |
| Digium | Asterisk | 1.8.11.0 | — |
| Digium | Asterisk | 1.8.11.1 | — |
| Digium | Asterisk | 1.8.12 | — |
| Digium | Asterisk | 1.8.12.0 | — |
| Digium | Asterisk | 10.0.0 | — |
| Digium | Asterisk | 10.0.1 | — |
| Digium | Asterisk | 10.1.0 | — |
| Digium | Asterisk | 10.1.1 | — |
| Digium | Asterisk | 10.1.2 | — |
| Digium | Asterisk | 10.1.3 | — |
| Digium | Asterisk | 10.2.0 | — |
| Digium | Asterisk | 10.2.1 | — |
| Digium | Asterisk | 10.3.0 | — |
| Digium | Asterisk | 10.3.1 | — |
| Digium | Asterisk | 10.4.0 | — |
| Digium | Certified Asterisk | 1.8.11 | Cert |
References
- http://downloads.asterisk.org/pub/security/AST-2012-007.htmlVendor Advisory
- http://secunia.com/advisories/49303Not Applicable
- http://www.debian.org/security/2012/dsa-2493Third Party Advisory
- http://www.securitytracker.com/id?1027102Third Party Advisory, VDB Entry
- http://downloads.asterisk.org/pub/security/AST-2012-007.htmlVendor Advisory
- http://secunia.com/advisories/49303Not Applicable
- http://www.debian.org/security/2012/dsa-2493Third Party Advisory
- http://www.securitytracker.com/id?1027102Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2012-2947?
chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.
How severe is CVE-2012-2947?
Severity scoring for CVE-2012-2947 is pending analysis. The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.
How do I fix CVE-2012-2947?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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