Dan Dennison discovered that Diatheke, a CGI program to make a bible website, performs insufficient sanitising of a parameter, allowing a remote attacker to execute arbitrary shell commands as the web server user.
For the old stable distribution (sarge), this problem has been fixed in version 1.5.7-7sarge1.
For the stable distribution (etch), this problem has been fixed in version 1.5.9-2etch1.
For the unstable distribution (sid), this problem has been fixed in version 1.5.9-8.
We recommend that you upgrade your diatheke package.
MD5 checksums of the listed files are available in the original advisory.