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[ GLSA 200608-11 ] Webmin, Usermin: File Disclosure
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PostPosted: Sun Aug 06, 2006 9:26 pm    Post subject: [ GLSA 200608-11 ] Webmin, Usermin: File Disclosure Reply with quote

Gentoo Linux Security Advisory

Title: Webmin, Usermin: File Disclosure (GLSA 200608-11)
Severity: normal
Exploitable: remote
Date: August 06, 2006
Bug(s): #138552
ID: 200608-11

Synopsis

Webmin and Usermin are vulnerable to an arbitrary file disclosure through a specially crafted URL.

Background

Webmin is a web-based interface for Unix-like systems. Usermin is a simplified version of Webmin designed for use by normal users rather than system administrators.

Affected Packages

Package: app-admin/webmin
Vulnerable: < 1.290
Unaffected: >= 1.290
Architectures: All supported architectures

Package: app-admin/usermin
Vulnerable: < 1.220
Unaffected: >= 1.220
Architectures: All supported architectures


Description

A vulnerability in both Webmin and Usermin has been discovered by Kenny Chen, wherein simplify_path is called before the HTML is decoded.

Impact

A non-authenticated user can read any file on the server using a specially crafted URL.

Workaround

For a temporary workaround, IP Access Control can be setup on Webmin and Usermin.

Resolution

All Webmin users should update to the latest stable version:
Code:
# emerge --sync
# emerge --ask --verbose --oneshot ">=app-admin/webmin-1.290"
All Usermin users should update to the latest stable version:
Code:
# emerge --sync
# emerge --ask --verbose --oneshot ">=app-admin/usermin-1.220"


References

CVE-2006-3392
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