Information Exposure The advisory has been revoked - it doesn't affect any version of package asterisk (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1204-ASTERISK-649886
- published10 Sept 2020
- disclosed15 Dec 2011
Introduced: 15 Dec 2011
CVE-2011-4598 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Ubuntu.
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2011-4598
- http://downloads.asterisk.org/pub/security/AST-2011-014.html
- http://www.debian.org/security/2011/dsa-2367
- http://openwall.com/lists/oss-security/2011/12/09/3
- http://openwall.com/lists/oss-security/2011/12/09/4
- http://osvdb.org/77598
- http://secunia.com/advisories/47273