Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 14.04

Description

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. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2167)

Florian Weimer discovered that Subversion clients did not properly restrict XML entity expansion when accessing http(s):// URLs. A remote attacker could use this to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-8734)

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• All versions of Cloud Foundry cflinuxfs2 prior to 1.147.0

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

• The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.147.0 or later.

References

• USN-3388-1
• CVE-2017-9800
• CVE-2016-2167
• CVE-2016-8734