========================================================================== Ubuntu Security Notice USN-3388-2 October 24, 2017
subversion vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: Several security issues were fixed in Subversion. Software Description: - subversion: Advanced version control system Details: USN-3388-1 fixed several vulnerabilities in Subversion. This update provides the corresponding update for Ubuntu 12.04 ESM. Ivan Zhakov discovered that Subversion did not properly handle some requests. A remote attacker could use this to cause a denial of service. (CVE-2016-2168) Original advisory details: Joern Schneeweisz discovered that Subversion did not properly handle host names in 'svn+ssh://' URLs. A remote attacker could use this to construct a subversion repository that when accessed could run arbitrary code with the privileges of the user. (CVE-2017-9800) Daniel Shahaf and James McCoy discovered that Subversion did not properly verify realms when using Cyrus SASL authentication. A remote attacker could use this to possibly bypass intended access restrictions. (CVE-2016-2167) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libapache2-svn 1.6.17dfsg-3ubuntu3.7 libsvn1 1.6.17dfsg-3ubuntu3.7 subversion 1.6.17dfsg-3ubuntu3.7 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3388-2 https://www.ubuntu.com/usn/usn-3388-1 CVE-2016-2167, CVE-2016-2168, CVE-2017-9800
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