Link Following

Affecting mercurial package, versions <4.0-1+deb9u2

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Overview

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

CVSS Score

5.9
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    High
  • Availability
    None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVE
CVE-2019-3902
CWE
CWE-22 CWE-59
Snyk ID
SNYK-DEBIAN9-MERCURIAL-344216
Disclosed
22 Apr, 2019
Published
20 Apr, 2019