Resource exhaustion in Apache Subversion
CVE-2016-8734
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…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.129 (94.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Subversion — versions 1.4.0, 1.4.1, 1.4.2
- Apache Software Foundation Subversion — versions 1.9.0 to 1.9.4, 1.4.0 to 1.8.16
- Debian Debian_linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@apache.org (x_refsource_MISC)
- security@apache.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-8734?
- CVE-2016-8734 is a medium-severity vulnerability in Apache Subversion, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2017-10-16.
- How severe is CVE-2016-8734?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2016-8734 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.