Several problems have been discovered in Asterisk, an Open Source Private Branch Exchange (telephone control center). The Common Vulnerabilities and Exposures project identifies the following problems:
Adam Pointon discovered that due to missing input sanitising it is possible to retrieve recorded phone messages for a different extension.
Emmanouel Kellinis discovered an integer signedness error that could trigger a buffer overflow and hence allow the execution of arbitrary code.
For the old stable distribution (woody) this problem has been fixed in version 0.1.11-3woody1.
For the stable distribution (sarge) this problem has been fixed in version 1.0.7.dfsg.1-2sarge2.
For the unstable distribution (sid) this problem has been fixed in version 1.2.7.1.dfsg-1.
We recommend that you upgrade your asterisk package.
MD5 checksums of the listed files are available in the original advisory.