CVE-2016-8734

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 9.76% Top 10%
Vendor Advisory debian.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Subversion
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/94588 third party advisory vdb entry
https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09%40%3Cannounce.apache.org%3E mailing list
http://www.securitytracker.com/id/1037361 third party advisory vdb entry
http://www.debian.org/security/2017/dsa-3932 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuoct2020.html
https://subversion.apache.org/security/CVE-2016-8734-advisory.txt vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2016-8734?
CVE-2016-8734 has been scored as a medium severity vulnerability.
How to fix CVE-2016-8734?
To fix CVE-2016-8734, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-8734 being actively exploited in the wild?
It is possible that CVE-2016-8734 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-8734?
CVE-2016-8734 affects Apache Software Foundation Apache Subversion.
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