Bugzilla h1 and h2 tags cross-site scripting

bugzilla-h1h2-tags-xss (29610) The risk level is classified as MediumMedium Risk

Description:

Bugzilla is vulnerable to cross-site scripting, caused by improper validation of user-supplied input in h1 and h2 tags. A remote attacker with administrative privileges could exploit this vulnerability using the h1 and h2 HTML tags in a specially-crafted URL 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: 1.7
  Access Vector: Remote
  Access Complexity: High
  Authentication: Required
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 1.5
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Bugzilla (2.18.6 or later), (2.20.3 or later), (2.22.1 or later) or (2.23.3 or later), as listed in the Bugzilla Security Advisory dated October 15, 2006. See References.

References:

  • BugTraq Mailing List, Sun Oct 15 2006 - 05:02:20 CDT : Security Advisory for Bugzilla 2.18.5, 2.20.2, 2.22, and 2.23.2.
  • Bugzilla Web site: 2.18.5, 2.20.2, 2.22, and 2.23.2 Security Advisory.
  • BID-20538: Mozilla Bugzilla Multiple Input Validation and Information disclosure Vulnerabilities
  • CVE-2006-5453: Multiple cross-site scripting (XSS) vulnerabilities in Bugzilla 2.18.x before 2.18.6, 2.20.x before 2.20.3, 2.22.x before 2.22.1, and 2.23.x before 2.23.3 allow remote authenticated users to inject arbitrary web script or HTML via (1) page headers using the H1, H2, and H3 HTML tags in global/header.html.tmpl, (2) description fields of certain items in various edit cgi scripts, and (3) the id parameter in showdependencygraph.cgi.
  • DSA-1208: bugzilla -- several vulnerabilities
  • GLSA-200611-04: Bugzilla: Multiple Vulnerabilities
  • OSVDB ID: 29544: Bugzilla Page Header XSS
  • OSVDB ID: 29545: Bugzilla Multiple Description Field XSS
  • OSVDB ID: 29549: Bugzilla showdependencygraph.cgi XSS
  • SA22409: Bugzilla Multiple Vulnerabilities
  • SECTRACK ID: 1017063: Bugzilla Input Validation Holes Permit Cross-Site Scripting Attacks
  • VUPEN/ADV-2006-4035: Bugzilla Multiple Cross Site Scripting and Information Disclosure Vulnerabilities

Platforms Affected:

  • Debian Debian Linux 3.1
  • Gentoo Linux
  • Mozilla Bugzilla 2.18 rc1
  • Mozilla Bugzilla 2.18 rc3
  • Mozilla Bugzilla 2.18 rc2
  • Mozilla Bugzilla 2.18
  • Mozilla Bugzilla 2.18.1
  • Mozilla Bugzilla 2.18.2
  • Mozilla Bugzilla 2.18.3
  • Mozilla Bugzilla 2.18.4
  • Mozilla Bugzilla 2.18.5
  • Mozilla Bugzilla 2.20
  • Mozilla Bugzilla 2.20 rc2
  • Mozilla Bugzilla 2.20 rc1
  • Mozilla Bugzilla 2.20.1
  • Mozilla Bugzilla 2.20.2
  • Mozilla Bugzilla 2.22
  • Mozilla Bugzilla 2.23
  • Mozilla Bugzilla 2.23.1
  • Mozilla Bugzilla 2.23.2

Reported:

Oct 15, 2006

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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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