Mercurial Path Traversal/Link Following vulnerability
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2019-3902US | medium5.9 | — | ||
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. | ||||
02
references
External citations — patches, advisories, analysis.
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2019-188.yamlWEB
- https://lists.debian.org/debian-lts-announce/2019/04/msg00024.htmlWEB
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2019-3902ADVISORY
- https://usn.ubuntu.com/4086-1WEB
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29WEB
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