CVE-2015-4499
HIGH severity · CVSS 7.5 · Improper input validation
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)3%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://seclists.org/bugtraq/2015/Sep/48 ↗
Additional information
- NVD record
- http://seclists.org/bugtraq/2015/Sep/48Patch
- http://seclists.org/bugtraq/2015/Sep/49Patch
- 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://www.securitytracker.com/id/1033542
- https://bug1202447.bmoattachments.org/attachment.cgi?id=8657861