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CVE-2016-7099

Published: 10 October 2016

The tls.checkServerIdentity function in Node.js 0.10.x before 0.10.47, 0.12.x before 0.12.16, 4.x before 4.6.0, and 6.x before 6.7.0 does not properly handle wildcards in name fields of X.509 certificates, which allows man-in-the-middle attackers to spoof servers via a crafted certificate.

From the Ubuntu Security Team

Alexander Minozhenko and James Bunton discovered that Node.js did not properly handle wildcards in name fields of X.509 TLS certificates. An attacker could use this vulnerability to execute a man-in-the-middle-attack.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
nodejs
Launchpad, Ubuntu, Debian
impish Not vulnerable
(8.11.2~dfsg-1)
artful Ignored
(end of life)
bionic Not vulnerable
(8.10.0~dfsg-2)
cosmic Not vulnerable
(8.11.2~dfsg-1)
disco Not vulnerable
(8.11.2~dfsg-1)
eoan Not vulnerable
(8.11.2~dfsg-1)
focal Not vulnerable
(8.11.2~dfsg-1)
groovy Not vulnerable
(8.11.2~dfsg-1)
jammy Not vulnerable
(8.11.2~dfsg-1)
precise Ignored
(end of life)
trusty
Released (0.10.25~dfsg2-2ubuntu1.2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (4.6.0~dfsg-1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
hirsute Not vulnerable
(8.11.2~dfsg-1)
xenial
Released (4.2.6~dfsg-1ubuntu4.2+esm1)
Available with Ubuntu Pro
Patches:
upstream: https://github.com/nodejs/node/commit/0d7e21ee7bcc79046f898f8c202d2ec87d23d711 (0.10)
upstream: https://github.com/nodejs/node/commit/3ff82deb2c3bd580d64be75dbafe460393c952fb (4.x)

Severity score breakdown

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