Bugzilla URL field cross-site scripting

bugzilla-urlfield-xss (65004) The risk level is classified as MediumMedium Risk

Description:

Bugzilla is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the URL field. A remote attacker could exploit this vulnerability to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Bugzilla (3.2.10, 3.4.10, or 3.6.4 or later), available from the Bugzilla Web site. See References.

References:

  • Bugzilla Web Site: 3.2.9, 3.4.9, 3.6.3, and 4.0rc1 Security Advisory.
  • BID-45982: Bugzilla Multiple Vulnerabilities
  • CVE-2010-4567: Bugzilla before 3.2.10, 3.4.x before 3.4.10, 3.6.x before 3.6.4, and 4.0.x before 4.0rc2 does not properly handle whitespace preceding a (1) javascript: or (2) data: URI, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the URL (aka bug_file_loc) field.
  • DSA-2322: bugzilla -- several vulnerabilities
  • OSVDB ID: 70699: Bugzilla Multiple URI Preceding Whitespace bug_file_loc Field XSS
  • SA43033: Bugzilla Multiple Vulnerabilities
  • VUPEN/ADV-2011-0207: Bugzilla Unauthorized Acess and Cross Site Scripting Vulnerabilities

Platforms Affected:

  • Mozilla Bugzilla 3.2 rc1
  • Mozilla Bugzilla 3.2.1
  • Mozilla Bugzilla 3.2.2
  • Mozilla Bugzilla 3.2.3
  • Mozilla Bugzilla 3.3
  • Mozilla Bugzilla 3.4
  • Mozilla Bugzilla 3.4.1
  • Mozilla Bugzilla 3.4.2
  • Mozilla Bugzilla 3.4.3
  • Mozilla Bugzilla 3.6
  • Mozilla Bugzilla 3.6.1

Reported:

Jan 24, 2011

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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