CVE-2019-3902
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-3902
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-3902.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.9-1 |
| debian | bullseye | fixed | 4.9-1 |
| debian | forky | fixed | 4.9-1 |
| debian | sid | fixed | 4.9-1 |
| debian | trixie | fixed | 4.9-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | mercurial | <4.9 | 4.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-3902
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2019-188.yaml
- https://lists.debian.org/debian-lts-announce/2019/04/msg00024.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- https://usn.ubuntu.com/4086-1
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29
- https://usn.ubuntu.com/4086-1/
- https://www.suse.com/security/cve/CVE-2019-3902.html
- https://security-tracker.debian.org/tracker/CVE-2019-3902
Verify integrity in audit chain (admin only). AS-IS.