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Debian Security Advisory DSA 3561-1 (subversion - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several vulnerabilities were discovered in Subversion, a version control system. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2016-2167 Daniel Shahaf and James McCoy discovered that an implementation error in the authentication against the Cyrus SASL library would permit a remote user to specify a realm string which is a prefix of the expected realm string and potentially allowing a user to authenticate using the wrong realm. CVE-2016-2168 Ivan Zhakov of VisualSVN discovered a remotely triggerable denial of service vulnerability in the mod_authz_svn module during COPY or MOVE authorization check. An authenticated remote attacker could take advantage of this flaw to cause a denial of service (Subversion server crash) via COPY or MOVE requests with specially crafted header.
Affected Software
Affected Software
subversion on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), these problems have been fixed in version 1.8.10-6+deb8u4. For the unstable distribution (sid), these problems have been fixed in version 1.9.4-1. We recommend that you upgrade your subversion packages.