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CVE-2017-1000115

Publication date 5 October 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository

From the Ubuntu Security Team

It was discovered that Mercurial incorrectly handled symlinks. An attacker could possibly use this issue to insert, edit or obtain sensitive information.

Status

Package Ubuntu Release Status
mercurial 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Fixed 4.3.1-2
17.04 zesty Ignored
16.04 LTS xenial
Fixed 3.7.3-1ubuntu1.1
14.04 LTS trusty
Fixed 2.8.2-1ubuntu1.4

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N