Vulnerability Monitor

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CVE-2016-2167

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.

Published

2016-05-05T18:59:00.117

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

6.8

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-284
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache subversion ≤ 1.8.15 Yes
Application apache subversion 1.9.0 Yes
Application apache subversion 1.9.1 Yes
Application apache subversion 1.9.2 Yes
Application apache subversion 1.9.3 Yes
References