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Affecting mediawiki package, versions <1:1.27.7-1~deb9u3

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NVD Description

Note: Versions mentioned in the description apply to the upstream mediawiki package. See Remediation section below for Debian:9 relevant versions.

MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.

Remediation

Upgrade Debian:9 mediawiki to version 1:1.27.7-1~deb9u3 or higher.

References

CVSS Score

6.1
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Changed
  • Confidentiality
    Low
  • Integrity
    Low
  • Availability
    None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVE
CVE-2019-19709
CWE
CWE-601
Snyk ID
SNYK-DEBIAN9-MEDIAWIKI-537630
Disclosed
11 Dec, 2019
Published
12 Dec, 2019