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FreeBSD Ports: asterisk14
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Insight
Insight
The following packages are affected: asterisk14 asterisk16 asterisk18 CVE-2011-2529 chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet. CVE-2011-2535 chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame. CVE-2011-2536 chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests.
Solution
Solution
Update your system with the appropriate patches or software upgrades.
Common Vulnerabilities and Exposures (CVE)
References
- http://downloads.asterisk.org/pub/security/AST-2011-008.html
- http://downloads.asterisk.org/pub/security/AST-2011-009.html
- http://downloads.asterisk.org/pub/security/AST-2011-010.html
- http://downloads.asterisk.org/pub/security/AST-2011-011.html
- http://www.vuxml.org/freebsd/40544e8c-9f7b-11e0-9bec-6c626dd55a41.html