CVE-1999-1053

Summary

CVE-1999-1053 is a vulnerability affecting the guestbook.pl script. This issue arises due to the script's insufficient handling of SSI (Server Side Includes) commands. An attacker can exploit this vulnerability by inserting malicious code between the "<!--" and "-->" separators. As a result, when guestbook.pl is run on Apache 1.3.9 and potentially other versions, the attacker can execute arbitrary commands. Apache's support for various closing sequences complicates the scope of this vulnerability.

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