High severity vulnerability that affects mercurial · CVE-2017-9462 · GitHub Advisory Database · GitHub

High severity vulnerability that affects mercurial

High severity GitHub Reviewed Published Jul 13, 2018 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

mercurial (pip)

Affected versions

< 4.1.3

Patched versions

4.1.3

Description

In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users to launch the Python debugger, and consequently execute arbitrary code, by using --debugger as a repository name.

References

Published to the GitHub Advisory Database Jul 13, 2018

Reviewed Jun 16, 2020

Last updated Jan 9, 2023

Severity

High

8.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H