CVE-2009-1171 Path traversal in n/a

Medium 4.3 Published Updated

An attacker can read arbitrary files on the server by exploiting a LaTeX injection vulnerability in the Moodle TeX filter.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2009-1171?

CVE-2009-1171 is a medium-severity path traversal vulnerability in Moodle Moodle, published on 30 Mar 2009. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The TeX filter in Moodle 1.6 before 1.6.9+, 1.7 before 1.7.7+, 1.8 before 1.8.9, and 1.9 before 1.9.5 allows user-assisted attackers to read arbitrary files via an input command in a "$$" sequence, which causes LaTeX to include the contents of the file.

Weakness: CWE-20

Which versions are affected by CVE-2009-1171?

It affects 1 product.

Products include Moodle Moodle.

How do I fix CVE-2009-1171?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2009-1171 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1171 exists.

Public exploit code: 1 Exploit-DB entry.

All Moodle Moodle vulnerabilities

Sources

Also known as DSA-1761-1, GHSA-c8pm-7v2j-xmww.

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