CVEvulnerability

CVE-2014-8639

6.8 MEDIUM Published 2015-01-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2015-01-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P

Description

Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server.

Affected configurations

• mozilla seamonkey (<= 2.31) • mozilla firefox (<= 34.0.5) • mozilla firefox 31.0 • mozilla firefox 31.1.0 • mozilla firefox 31.1.1 • mozilla firefox 31.3.0 • mozilla firefox esr 31.2 • mozilla thunderbird (<= 31.3.0)

References