Mozilla Bugzilla 3.0.7/3.2.1/3.3.2 mod_perl srand cross-site request forgery

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability classified as critical was found in Mozilla Bugzilla 3.0.7/3.2.1/3.3.2 (Bug Tracking Software). Affected by this vulnerability is the function srand of the component mod_perl. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Bugzilla 3.2.1, 3.0.7, and 3.3.2, when running under mod_perl, calls the srand function at startup time, which causes Apache children to have the same seed and produce insufficiently random numbers for random tokens, which allows remote attackers to bypass cross-site request forgery (CSRF) protection mechanisms and conduct unauthorized activities as other users.

The bug was discovered 02/02/2009. The weakness was disclosed 02/09/2009 by Max Kanat-Alexander (Website). It is possible to read the advisory at redhat.com. This vulnerability is known as CVE-2009-0486 since 02/09/2009. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 38079 (Fedora 10 : bugzilla-3.2.2-2.fc10 (2009-2417)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116301 (Fedora Update for Bugzilla (FEDORA-2009-2418,FEDORA-2009-2417)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (48454) and Tenable (38079). The entries 46388, 46386, 46385 and 46384 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 38079
Nessus Name: Fedora 10 : bugzilla-3.2.2-2.fc10 (2009-2417)
Nessus File: 🔍
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OpenVAS ID: 63602
OpenVAS Name: Fedora Core 10 FEDORA-2009-2417 (bugzilla)
OpenVAS File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

02/02/2009 🔍
02/02/2009 +0 days 🔍
02/03/2009 +1 days 🔍
02/09/2009 +6 days 🔍
02/09/2009 +0 days 🔍
02/09/2009 +0 days 🔍
02/23/2009 +14 days 🔍
03/05/2009 +10 days 🔍
04/23/2009 +49 days 🔍
03/17/2015 +2154 days 🔍
08/28/2019 +1625 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: redhat.com
Researcher: Max Kanat-Alexander
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-0486 (🔍)
X-Force: 48454
Vulnerability Center: 21024 - Bugzilla 3.2.1, 3.0.7 and 3.3.2 Remote Cross-Site Request Forgery Bypass Vulnerability, Medium
SecurityFocus: 33581 - Bugzilla Pseudo-Random Number Generator Shared Seed Vulnerability
Secunia: 34361
OSVDB: 54057 - Bugzilla - Pseudo-Random Number Generator Shared Seed Issue

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/28/2019 09:29
Changes: 03/17/2015 16:11 (76), 08/28/2019 09:29 (8)
Complete: 🔍

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