CVE-2016-2167: Medium severity subversion vulnerability

Published May 5, 2016
·
Updated

The canonicalizeusername function in svnserve/cyrusauth.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.

Affected Software

5 affected components
Apache subversion<=1.8.15
Apache subversion=1.9.0
Apache subversion=1.9.1
Apache subversion=1.9.2
Apache subversion=1.9.3

Event History

May 5, 2016
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2016-2167?

CVE-2016-2167 has a severity rating that indicates a moderate impact on security due to authentication bypass vulnerabilities.

2

How do I fix CVE-2016-2167?

To fix CVE-2016-2167, upgrade Apache Subversion to version 1.8.16 or later, or 1.9.4 or later.

3

What systems are affected by CVE-2016-2167?

CVE-2016-2167 affects Apache Subversion versions prior to 1.8.16 and 1.9.x before 1.9.4 when using Cyrus SASL authentication.

4

What type of vulnerability is CVE-2016-2167?

CVE-2016-2167 is an authentication bypass vulnerability affecting Apache Subversion.

5

Can CVE-2016-2167 be exploited remotely?

Yes, CVE-2016-2167 allows remote attackers to authenticate and bypass access restrictions.

Contact

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