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CVE-2017-5462

Published: 20 April 2017

A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Notes

AuthorNote
leosilva
fixed for nss in precise after version upgrade

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise Ignored

trusty
Released (53.0+build6-0ubuntu0.14.04.1)
upstream
Released (53.0)
xenial
Released (53.0+build6-0ubuntu0.16.04.1)
yakkety
Released (53.0+build6-0ubuntu0.16.10.1)
zesty
Released (53.0+build6-0ubuntu0.17.04.1)
nss
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty
Released (2:3.28.4-0ubuntu0.14.04.1)
upstream
Released (3.28.4, 3.30.1)
xenial
Released (2:3.28.4-0ubuntu0.16.04.1)
yakkety
Released (2:3.28.4-0ubuntu0.16.10.1)
zesty
Released (2:3.28.4-0ubuntu0.17.04.1)
Patches:
upstream: https://hg.mozilla.org/projects/nss/rev/7248d38b76e5
thunderbird
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty
Released (1:52.1.1+build1-0ubuntu0.14.04.1)
upstream
Released (52.1.1)
xenial
Released (1:52.1.1+build1-0ubuntu0.16.04.1)
yakkety
Released (1:52.1.1+build1-0ubuntu0.16.10.1)
zesty
Released (1:52.1.1+build1-0ubuntu0.17.04.1)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N