CVE-2019-3902: Mercurial Path Traversal/Link Following vulnerability
(updated )
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.
References
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902
- github.com/advisories/GHSA-mq66-vcfc-8246
- github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2019-188.yaml
- lists.debian.org/debian-lts-announce/2019/04/msg00024.html
- lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- nvd.nist.gov/vuln/detail/CVE-2019-3902
- usn.ubuntu.com/4086-1
- www.mercurial-scm.org/wiki/WhatsNew
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