CVE-2019-3902 — Path Traversal in Mercurial

CWE-22 — Path TraversalCWE-59 — Link Following13 documents7 sources
Severity
5.9MEDIUMNVD
OSV9.1
EPSS
0.5%
top 32.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
MercurialDebian MercurialTHE Mercurial Project Mercurial+2 more
Timeline
PublishedApr 22
Latest updateFeb 15

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 2.2 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/mercurial< mercurial 4.9-1 (bookworm)
▶Debianmercurial/mercurial< 4.9-1+3
▶Ubuntumercurial/mercurial< 4.5.3-1ubuntu2.2+2

Also affects: Debian Linux 8.0, Enterprise Linux 7.0

🔴Vulnerability Details

5
OSV
Mercurial Path Traversal/Link Following vulnerability↗2022-02-15
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GHSA
Mercurial Path Traversal/Link Following vulnerability↗2022-02-15
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OSV
mercurial vulnerabilities↗2021-10-04
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OSV
mercurial vulnerabilities↗2021-03-16
▶
OSV
CVE-2019-3902: A flaw was found in Mercurial before 4↗2019-04-22
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📋Vendor Advisories

5
Ubuntu
Mercurial vulnerabilities↗2021-10-04
▶
Ubuntu
Mercurial vulnerabilities↗2021-03-16
▶
Ubuntu
Mercurial vulnerability↗2019-08-06
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Red Hat
mercurial: Path-checking logic bypass via symlinks and subrepositories↗2019-03-13
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Debian
CVE-2019-3902: mercurial - A flaw was found in Mercurial before 4.9. It was possible to use symlinks and su...↗2019
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💬Community

2
Bugzilla
CVE-2019-3902 mercurial: Path-checking logic bypass via symlinks and subrepositories↗2019-04-04
▶
Bugzilla
CVE-2019-3902 mercurial: Path-checking logic bypass via symlinks and subrepositories [fedora-all]↗2019-04-04
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