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Mediawiki 1.18.0 Information Disclosure

Mediawiki 1.18.0 Information Disclosure
Posted Mar 12, 2014
Authored by alejandr0.w3b.p0wn3r

Mediawiki version 1.18.0 suffers from a new file creation source path disclosure vulnerability.

tags | exploit, info disclosure
advisories | CVE-2014-1686
SHA-256 | 5675a27b5908d6b27fa04c43090945ec656da5d0db68fcd7d5da9bbfe406ac0a

Mediawiki 1.18.0 Information Disclosure

Change Mirror Download
CVE-2014-1686 -- Information disclosure: webserver source path in
Mediawiki 1.18.0

When a user create a new file (eg: image) with a name containing *, it
leads to webserver file path disclosure, after having uploaded the file,
when thumbail creation occurs.

I did not succeed in obtained remote shell code execution, but this may
be a vulnerable path.


Counter-measure: refuse creation of file containing a *
backported the patch in 1.19 and 1.20
Note, permissions when creating thumbnails can have the same outcome.

https://www.owasp.org/index.php/Information_Leakage
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