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TITLE:
Bugzilla Two Information Disclosure Vulnerabilities

SECUNIA ADVISORY ID:
SA16021

VERIFY ADVISORY:
http://secunia.com/advisories/16021/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Bugzilla 2.x
http://secunia.com/product/396/

DESCRIPTION:
Two vulnerabilities have been reported in Bugzilla, which can be
exploited by malicious users to bypass certain security restrictions
and gain knowledge of sensitive information.

1) Input passed to process_bug.cgi is not properly verified before
being used. This makes it possible to change a flag on a bug report
that the user does not have access to, and can be exploited to email
the bug summary to the malicious user.

The vulnerability affects versions 2.17.1 through 2.18.1, and
development snapshots 2.19.1 through 2.19.3.

2) A race condition when marking a bug report as private in the
database can be exploited to view the report when there is a MySQL
replication lag.

The vulnerability affects versions 2.17.1 and above.

SOLUTION:
Update to version 2.18.2.
http://www.bugzilla.org/download

PROVIDED AND/OR DISCOVERED BY:
1) Frédéric Buclin
2) Matthias Versen

The vendor also credits Joel Peshkin and Myk Melez.

ORIGINAL ADVISORY:
http://www.bugzilla.org/security/2.18.1/
https://bugzilla.mozilla.org/show_bug.cgi?id=293159
https://bugzilla.mozilla.org/show_bug.cgi?id=292544

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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