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[ GLSA 200412-26 ] ViewCVS: Information leak and XSS vulnerabilities
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GLSA
Bodhisattva
Bodhisattva


Joined: 25 Feb 2003
Posts: 3827
Location: Essen, Germany

PostPosted: Tue Dec 28, 2004 4:55 pm    Post subject: [ GLSA 200412-26 ] ViewCVS: Information leak and XSS vulnera Reply with quote

Gentoo Linux Security Advisory

Title: ViewCVS: Information leak and XSS vulnerabilities (GLSA 200412-26)
Severity: low
Exploitable: remote
Date: December 28, 2004
Bug(s): #72461, #73772
ID: 200412-26

Synopsis

ViewCVS is vulnerable to an information leak and to cross-site scripting (XSS) issues.

Background

ViewCVS is a browser interface for viewing CVS and Subversion version control repositories through a web browser.

Affected Packages

Package: www-apps/viewcvs
Vulnerable: <= 0.9.2_p20041207
Unaffected: >= 0.9.2_p20041207-r1
Architectures: All supported architectures


Description

The tar export functions in ViewCVS bypass the 'hide_cvsroot' and 'forbidden' settings and therefore expose information that should be kept secret (CAN-2004-0915). Furthermore, some error messages in ViewCVS do not filter user-provided information, making it vulnerable to a cross-site scripting attack (CAN-2004-1062).

Impact

By using the tar export functions, a remote attacker could access information that is configured as restricted. Through the use of a malicious request, an attacker could also inject and execute malicious script code, potentially compromising another user's browser.

Workaround

There is no known workaround at this time.

Resolution

All ViewCVS users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/viewcvs-0.9.2_p20041207-r1"


References

CAN-2004-0915
CAN-2004-1062


Last edited by GLSA on Sun May 07, 2006 4:54 pm; edited 1 time in total
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