Denial-of-Service Vulnerability in Apache Subversion's mod_dontdothat Module
CVE-2016-8734

6.5MEDIUM

Key Information:

Vendor

Apache
Status
Apache Subversion
Vendor
CVE Published:
16 October 2017

What is CVE-2016-8734?

The Apache Subversion mod_dontdothat module is susceptible to a denial-of-service attack triggered by exponential XML entity expansion. This vulnerability allows an attacker to craft a malicious XML entity that, when processed, leads to excessive consumption of CPU and memory resources in the affected process. This can result in significant disruption of service, making systems unstable and unresponsive. Users of Apache Subversion versions 1.4.0 through 1.8.16, as well as 1.9.0 through 1.9.4, are urged to update to the latest version to mitigate this issue.

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Deploy the Patch

Affected Version(s)

Apache Subversion 1.4.0 to 1.8.16

Apache Subversion 1.9.0 to 1.9.4

References

http://www.securityfocus.com/bid/94588
vdb-entryx_refsource_BID
https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4...
mailing-listx_refsource_MLIST
http://www.securitytracker.com/id/1037361
vdb-entryx_refsource_SECTRACK

EPSS Score

12% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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