Vulnerability Monitor

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CVE-2015-5965

The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, which makes it easier for remote attackers to spoof encrypted content via a crafted MAC field.

Published

2015-08-11T14:59:16.477

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	fortinet	fortios	≤ 4.3.12	Yes

References

http://www.fortiguard.com/advisory/FG-IR-15-016/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/76065 ([email protected])
http://www.securitytracker.com/id/1033256 ([email protected])
https://security.gentoo.org/glsa/201508-01 ([email protected])
https://vivaldi.net/en-US/blogs/entry/the-poodle-has-friends ([email protected])
http://www.fortiguard.com/advisory/FG-IR-15-016/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/76065 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1033256 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201508-01 (af854a3a-2127-422b-91ae-364da2661108)
https://vivaldi.net/en-US/blogs/entry/the-poodle-has-friends (af854a3a-2127-422b-91ae-364da2661108)