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CVE-2017-1000116

Published: 5 October 2017

Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks.

From the Ubuntu Security Team

It was discovered that Mercurial incorrectly handled hostnames passed to ssh. An attacker could possibly use this issue to execute arbitrary code.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
mercurial
Launchpad, Ubuntu, Debian
upstream
Released (4.3.1-1)
artful
Released (4.3.1-2)
bionic Not vulnerable

cosmic Not vulnerable

trusty
Released (2.8.2-1ubuntu1.4)
xenial
Released (3.7.3-1ubuntu1.1)
zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H