Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 14.04 LTS

Description

It was discovered that Tomcat incorrectly handled pathnames used by web applications in a getResource, getResourceAsStream, or getResourcePaths call. A remote attacker could use this issue to possibly list a parent directory . This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2015-5174)

It was discovered that the Tomcat mapper component incorrectly handled redirects. A remote attacker could use this issue to determine the existence of a directory. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2015-5345)

It was discovered that Tomcat incorrectly handled different session settings when multiple versions of the same web application was deployed. A remote attacker could possibly use this issue to hijack web sessions. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2015-5346)

It was discovered that the Tomcat Manager and Host Manager applications incorrectly handled new requests. A remote attacker could possibly use this issue to bypass CSRF protection mechanisms. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2015-5351)

It was discovered that Tomcat did not place StatusManagerServlet on the RestrictedServlets list. A remote attacker could possibly use this issue to read arbitrary HTTP requests, including session ID values. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2016-0706)

It was discovered that the Tomcat session-persistence implementation incorrectly handled session attributes. A remote attacker could possibly use this issue to execute arbitrary code in a privileged context. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2016-0714)

It was discovered that the Tomcat setGlobalContext method incorrectly checked if callers were authorized. A remote attacker could possibly use this issue to read or wite to arbitrary application data, or cause a denial of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2016-0763)

It was discovered that the Tomcat Fileupload library incorrectly handled certain upload requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-3092)

Affected Products and Versions

Severity is medium unless otherwise noted.

• All versions of UAA prior to v3.6.0
• All versions of UAA BOSH Release prior to v13.0

Mitigation

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

• Upgrade to the latest version of cf-release [1]
• For standalone UAA users upgrade UAA Release to v3.6.0 [2] or later, UAA BOSH Release v13 [3] or later

References

• [1] https://github.com/cloudfoundry/cf-release/releases
• [2] https://github.com/cloudfoundry/uaa/releases/tag/3.6.0
• [3] https://github.com/cloudfoundry/uaa-release/releases/tag/v13
• https://www.ubuntu.com/usn/usn-3024-1
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5174
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5345
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5346
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5351
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-0706
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-0714
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-0763
• http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-3092