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CVE-2014-8639

Published: Jan 14, 2015Updated: May 6, 2026 Sources: CVE List NVDNVD-CWE-Other
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
1.9%
Top 23.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:MAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

seamonkeymozilla
Desktop App
Consumer Software / browser
firefoxmozilla
On-premDesktop App
Consumer Software / browser
firefox esrmozilla
Desktop App
Consumer Software / browser
thunderbirdmozilla
On-premDesktop App
Communications / email-server-client
n/an/a
mozillaoss-projectUSConsumer Softwareaka mozilla corp.

Exploitability

Official Patch Available

References

http://linux.oracle.com/errata/ELSA-2015-0046.html
linux.oracle.com
http://linux.oracle.com/errata/ELSA-2015-0047.html
linux.oracle.com
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html
lists.opensuse.org
and 36 more references View all →

Timeline

Published
Jan 14, 2015
Last Updated
May 6, 2026

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