Path Traversal in Mercurial
CVE-2019-3902
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.014 (70.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Mercurial
- The Mercurial Project — versions before 4.9
- Debian Debian_linux — versions 8.0
- Redhat Enterprise_linux — versions 7.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2019-3902?
- CVE-2019-3902 is a medium-severity vulnerability in Mercurial, classified under Path Traversal. CVSS score: 5.1/10. Published 2019-04-22.
- How severe is CVE-2019-3902?
- Medium severity. CVSS v3 base score is 5.1 out of 10.