Resource Exhaustion Affecting subversion package, versions <1.9.5-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published16 Oct 2017
- disclosed16 Oct 2017
Introduced: 16 Oct 2017
CVE-2016-8734 (opens in a new tab)How to fix?
Upgrade Debian:unstable subversion to version 1.9.5-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream subversion package and not the subversion package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Apache Subversion's mod_dontdothat module and HTTP clients 1.4.0 through 1.8.16, and 1.9.0 through 1.9.4 are vulnerable to a denial-of-service attack caused by exponential XML entity expansion. The attack can cause the targeted process to consume an excessive amount of CPU resources or memory.
References
- https://security-tracker.debian.org/tracker/CVE-2016-8734
- https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E
- https://subversion.apache.org/security/CVE-2016-8734-advisory.txt
- http://www.debian.org/security/2017/dsa-3932
- https://www.oracle.com/security-alerts/cpuoct2020.html
- http://www.securityfocus.com/bid/94588
- http://www.securitytracker.com/id/1037361
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-8734
- https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09%40%3Cannounce.apache.org%3E