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Improper Access Control Affecting subversion package, versions <1.9.4-1

0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High

    Threat Intelligence

    EPSS 0.13% (49th percentile)
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NVD
6.8 medium
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Red Hat
4.2 medium

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  • Snyk ID SNYK-DEBIAN9-SUBVERSION-344328
  • published 5 May 2016
  • disclosed 5 May 2016
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Introduced: 5 May 2016

CVE-2016-2167 Open this link in a new tab
CWE-284 Open this link in a new tab

How to fix?

Upgrade Debian:9 subversion to version 1.9.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream subversion package and not the subversion package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.

References