Title: Noah Grey Greymatter GM-Comments.CGI HTML Injection Vulnerability
Severity: HIGH
Description:
Greymatter is a Web based log and journal maintenance system. It is written in Perl as a collection of CGI scripts, and should work under Linux and most other Unix platforms.
Noah Grey Greymatter 1.3 is reportedly affected by an HTML injection vulnerability. This issue is due to the application failing to properly sanitize user-supplied input to 'gm-comments.cgi'. A victim user who views the comments would have the attacker-supplied HTML and script code execute in the security context of the affected site.
Exploitation of this issue may lead to the theft of cookie-based authentication credentials or other attacks.
This issue reportedly affects Greymatter version 1.3; earlier versions may also be vulnerable, though this has not been confirmed.
Affected Products:
- Noah Grey Greymatter 1.1.0b
- Noah Grey Greymatter 1.2.0
- Noah Grey Greymatter 1.21.0
- Noah Grey Greymatter 1.21.0a
- Noah Grey Greymatter 1.21.0b
- Noah Grey Greymatter 1.21.0c
- Noah Grey Greymatter 1.21.0d
- Noah Grey Greymatter 1.3.0
References:
- FraMe (frame at kernelpanik.org): Greymatter: Some security flaws
- Noah Grey: Greymatter Product Homepage
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