Debian Security Advisory

DSA-2225-1 asterisk -- several vulnerabilities

Date Reported:
25 Apr 2011
Affected Packages:
asterisk
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2011-1147, CVE-2011-1174, CVE-2011-1175, CVE-2011-1507, CVE-2011-1599.
More information:

Several vulnerabilities have been discovered in Asterisk, an Open Source PBX and telephony toolkit.

  • CVE-2011-1147

    Matthew Nicholson discovered that incorrect handling of UDPTL packets may lead to denial of service or the execution of arbitrary code.

  • CVE-2011-1174

    Blake Cornell discovered that incorrect connection handling in the manager interface may lead to denial of service.

  • CVE-2011-1175

    Blake Cornell and Chris May discovered that incorrect TCP connection handling may lead to denial of service.

  • CVE-2011-1507

    Tzafrir Cohen discovered that insufficient limitation of connection requests in several TCP based services may lead to denial of service. Please see AST-2011-005 for details.

  • CVE-2011-1599

    Matthew Nicholson discovered a privilege escalation vulnerability in the manager interface.

For the oldstable distribution (lenny), this problem has been fixed in version 1:1.4.21.2~dfsg-3+lenny2.1.

For the stable distribution (squeeze), this problem has been fixed in version 1:1.6.2.9-2+squeeze2.

For the unstable distribution (sid), this problem has been fixed in version 1:1.8.3.3-1.

We recommend that you upgrade your asterisk packages.