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CVE-2015-7575

Published: 31 December 2015

Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.

Notes

AuthorNote
mdeslaur
This is called "SLOTH"

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
artful
Released (43.0.4+build3-0ubuntu1)
bionic
Released (43.0.4+build3-0ubuntu1)
cosmic
Released (43.0.4+build3-0ubuntu1)
disco
Released (43.0.4+build3-0ubuntu1)
precise Does not exist
(precise was released [43.0.4+build3-0ubuntu0.12.04.1])
trusty Does not exist
(trusty was released [43.0.4+build3-0ubuntu0.14.04.1])
upstream
Released (43.0.2)
vivid
Released (43.0.4+build3-0ubuntu0.15.04.1)
wily
Released (43.0.4+build3-0ubuntu0.15.10.1)
xenial
Released (43.0.4+build3-0ubuntu1)
yakkety
Released (43.0.4+build3-0ubuntu1)
zesty
Released (43.0.4+build3-0ubuntu1)
gnutls26
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise
Released (2.12.14-5ubuntu3.11)
trusty
Released (2.12.23-12ubuntu2.4)
upstream Needs triage

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Patches:
upstream: https://gitlab.com/gnutls/gnutls/commit/778b4825c4e9fbd087f6fd5e3c94e547b93ae10e









gnutls28
Launchpad, Ubuntu, Debian
artful Not vulnerable
(3.3.18-1ubuntu1)
bionic Not vulnerable
(3.3.18-1ubuntu1)
cosmic Not vulnerable
(3.3.18-1ubuntu1)
disco Not vulnerable
(3.3.18-1ubuntu1)
precise Does not exist
(precise was needed)
trusty Does not exist
(trusty was needed)
upstream
Released (3.4.1,3.3.15)
vivid
Released (3.3.8-3ubuntu3.2)
wily Not vulnerable
(3.3.15-5ubuntu2)
xenial Not vulnerable
(3.3.18-1ubuntu1)
yakkety Not vulnerable
(3.3.18-1ubuntu1)
zesty Not vulnerable
(3.3.18-1ubuntu1)
Patches:

upstream: https://gitlab.com/gnutls/gnutls/commit/6ef0d5dd3cbd5dfc1bdc05f1d5ce918d04d23752
upstream: https://gitlab.com/gnutls/gnutls/commit/1e013f4c660fa79c2398dbcfd4f0e054c724c5ec
upstream: https://gitlab.com/gnutls/gnutls/commit/a8076fa599f0a37f8e12e30eeadd50a0ea3c67b7
upstream: https://gitlab.com/gnutls/gnutls/commit/3d333e59621f6cf9381c846c405b23d79020d031
upstream: https://gitlab.com/gnutls/gnutls/commit/20ba9c563c435b20ce5000fe4f831a07a2a6a0cf




mbedtls
Launchpad, Ubuntu, Debian
artful Not vulnerable
(2.2.1-2)
bionic Not vulnerable
(2.2.1-2)
cosmic Not vulnerable
(2.2.1-2)
disco Not vulnerable
(2.2.1-2)
precise Does not exist

trusty Does not exist

upstream
Released (2.2.1-1)
wily Does not exist

xenial Not vulnerable
(2.2.1-2)
yakkety Not vulnerable
(2.2.1-2)
zesty Not vulnerable
(2.2.1-2)
nss
Launchpad, Ubuntu, Debian
artful Not vulnerable
(2:3.21-1ubuntu2)
bionic Not vulnerable
(2:3.21-1ubuntu2)
cosmic Not vulnerable
(2:3.21-1ubuntu2)
disco Not vulnerable
(2:3.21-1ubuntu2)
precise
Released (3.19.2.1-0ubuntu0.12.04.2)
trusty
Released (2:3.19.2.1-0ubuntu0.14.04.2)
upstream
Released (2:3.21-1)
vivid
Released (2:3.19.2.1-0ubuntu0.15.04.2)
wily
Released (2:3.19.2.1-0ubuntu0.15.10.2)
xenial Not vulnerable
(2:3.21-1ubuntu2)
yakkety Not vulnerable
(2:3.21-1ubuntu2)
zesty Not vulnerable
(2:3.21-1ubuntu2)
Patches:






upstream: https://hg.mozilla.org/projects/nss/rev/94e1157f3fbb (3.19.2)
upstream: https://hg.mozilla.org/projects/nss/rev/891676aa0d85 (3.20)


openjdk-6
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist
(precise was released [6b38-1.13.10-0ubuntu0.12.04.1])
trusty Does not exist
(trusty was released [6b38-1.13.10-0ubuntu0.14.04.1])
upstream Needs triage

vivid
Released (6b38-1.13.10-0ubuntu0.15.04.1)
wily
Released (6b38-1.13.10-0ubuntu0.15.10.1)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

openjdk-7
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist
(precise was released [7u95-2.6.4-0ubuntu0.12.04.1])
trusty Does not exist
(trusty was released [7u95-2.6.4-0ubuntu0.14.04.1])
upstream Needs triage

vivid
Released (7u95-2.6.4-0ubuntu0.15.04.1)
wily
Released (7u95-2.6.4-0ubuntu0.15.10.1)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

openjdk-8
Launchpad, Ubuntu, Debian
artful Not vulnerable
(8u72-b15-1)
bionic Not vulnerable
(8u72-b15-1)
cosmic Not vulnerable
(8u72-b15-1)
disco Not vulnerable
(8u72-b15-1)
precise Does not exist

trusty Does not exist

upstream
Released (8u72-b15-1)
vivid Ignored
(reached end-of-life)
wily
Released (8u91-b14-0ubuntu4~15.10.1)
xenial Not vulnerable
(8u72-b15-1)
yakkety Not vulnerable
(8u72-b15-1)
zesty Not vulnerable
(8u72-b15-1)
openssl
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1.0.2e-1ubuntu1)
bionic Not vulnerable
(1.0.2e-1ubuntu1)
cosmic Not vulnerable
(1.0.2e-1ubuntu1)
disco Not vulnerable
(1.0.2e-1ubuntu1)
precise
Released (1.0.1-4ubuntu5.33)
trusty Not vulnerable
(1.0.1f-1ubuntu2.16)
upstream
Released (1.0.1f)
vivid Not vulnerable
(1.0.1f-1ubuntu11.5)
wily Not vulnerable
(1.0.2d-0ubuntu1.2)
xenial Not vulnerable
(1.0.2e-1ubuntu1)
yakkety Not vulnerable
(1.0.2e-1ubuntu1)
zesty Not vulnerable
(1.0.2e-1ubuntu1)
Patches:








upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=45473632c54947859a731dfe2db087c002ef7aa7
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=5e1ff664f95ab4c9176b3e86b5111e5777bad61a (1.0.1)
openssl098
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist
(precise was not-affected)
trusty Does not exist
(trusty was not-affected)
upstream Needs triage

vivid Not vulnerable

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

polarssl
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist
(precise was needed)
trusty Does not exist
(trusty was needed)
upstream
Released (1.2.19,1.3.16)
vivid Ignored
(reached end-of-life)
wily Ignored
(reached end-of-life)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

thunderbird
Launchpad, Ubuntu, Debian
artful
Released (1:38.6.0+build1-0ubuntu1)
bionic
Released (1:38.6.0+build1-0ubuntu1)
cosmic
Released (1:38.6.0+build1-0ubuntu1)
disco
Released (1:38.6.0+build1-0ubuntu1)
precise Does not exist
(precise was released [1:38.6.0+build1-0ubuntu0.12.04.1])
trusty Does not exist
(trusty was released [1:38.6.0+build1-0ubuntu0.14.04.1])
upstream
Released (38.6.0)
vivid Ignored
(reached end-of-life)
wily
Released (1:38.6.0+build1-0ubuntu0.15.10.1)
xenial
Released (1:38.6.0+build1-0ubuntu1)
yakkety
Released (1:38.6.0+build1-0ubuntu1)
zesty
Released (1:38.6.0+build1-0ubuntu1)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N