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githubGitHub Advisory DatabaseGHSA-MQ66-VCFC-8246
HistoryFeb 15, 2022 - 1:13 a.m.

Mercurial Path Traversal/Link Following vulnerability

2022-02-1501:13:11
CWE-22
CWE-59
GitHub Advisory Database
github.com
8

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:P/A:P

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

6.9 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

61.3%

A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial’s path-checking logic and write files outside a repository.

Affected configurations

Vulners
Node
mercurialmercurialRange<4.9
CPENameOperatorVersion
mercuriallt4.9

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:P/A:P

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

6.9 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

61.3%