Input validation error in Bugzilla - CVE-2015-4499
Published: September 14, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40651
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-4499
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Util.pm in Bugzilla 2.x, 3.x, and 4.x before 4.2.15, 4.3.x and 4.4.x before 4.4.10, and 5.x before 5.0.1 mishandles long e-mail addresses during account registration, which allows remote attackers to obtain the default privileges for an arbitrary domain name by placing that name in a substring of an address, as demonstrated by truncation of an @mozilla.com.example.com address to an @mozilla.com address.
Affected software
Bugzilla
Fedora
bugzilla
Fedora
bugzilla
How to mitigate CVE-2015-4499
Install update from vendor's website.
bugzilla - addressed in versions 4.4.10-1.fc21, 4.4.10-1.fc22, 4.4.10-1.fc23
External References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168725.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169946.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169983.html
- http://packetstormsecurity.com/files/133578/Bugzilla-Unauthorized-Account-Creation.html
- http://seclists.org/bugtraq/2015/Sep/48
- http://seclists.org/bugtraq/2015/Sep/49
- http://www.securitytracker.com/id/1033542
- https://bug1202447.bmoattachments.org/attachment.cgi?id=8657861
- https://bugzilla.mozilla.org/show_bug.cgi?id=1202447