1. Gentoo Linux Security Advisory
| Advisory Reference | GLSA 200703-14 / asterisk |
| Release Date | March 16, 2007 |
| Latest Revision | March 16, 2007: 01 |
| Impact | normal |
| Exploitable | remote |
| Package | Vulnerable versions | Unaffected versions | Architecture(s) |
| net-misc/asterisk | < 1.2.14-r1 | >= 1.2.14-r1, revision >= 1.0.12-r1 | All supported architectures |
Related bugreports: #169616
Asterisk is vulnerable to Denial of Service in the SIP channel.
Asterisk is an open source implementation of a telephone private branch exchange (PBX).
The MU Security Research Team discovered that Asterisk contains a NULL-pointer dereferencing error in the SIP channel when handling request messages.
A remote attacker could cause an Asterisk server listening for SIP messages to crash by sending a specially crafted SIP request message.
There is no known workaround at this time.
All Asterisk users should upgrade to the latest version:
Code Listing 3.1: Resolution |
# emerge --sync # emerge --ask --oneshot --verbose net-misc/asterisk |
Note: Asterisk 1.0.x is no longer supported upstream so users should consider upgrading to Asterisk 1.2.x.