CVE-2016-8734
Summary
| CVE | CVE-2016-8734 |
|---|---|
| State | PUBLISHED |
| Assigner | apache |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-10-16 13:29:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 6.5 MEDIUM from [email protected]
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-400 | Denial of Service
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 6.5 | MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 4 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
SingleConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:S/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Apache | Subversion | 1.4.0 | All | All | All |
| Application | Apache | Subversion | 1.4.1 | All | All | All |
| Application | Apache | Subversion | 1.4.2 | All | All | All |
| Application | Apache | Subversion | 1.4.3 | All | All | All |
| Application | Apache | Subversion | 1.4.4 | All | All | All |
| Application | Apache | Subversion | 1.4.5 | All | All | All |
| Application | Apache | Subversion | 1.4.6 | All | All | All |
| Application | Apache | Subversion | 1.5.0 | All | All | All |
| Application | Apache | Subversion | 1.5.1 | All | All | All |
| Application | Apache | Subversion | 1.5.2 | All | All | All |
| Application | Apache | Subversion | 1.5.3 | All | All | All |
| Application | Apache | Subversion | 1.5.4 | All | All | All |
| Application | Apache | Subversion | 1.5.5 | All | All | All |
| Application | Apache | Subversion | 1.5.6 | All | All | All |
| Application | Apache | Subversion | 1.5.7 | All | All | All |
| Application | Apache | Subversion | 1.5.8 | All | All | All |
| Application | Apache | Subversion | 1.6.0 | All | All | All |
| Application | Apache | Subversion | 1.6.1 | All | All | All |
| Application | Apache | Subversion | 1.6.10 | All | All | All |
| Application | Apache | Subversion | 1.6.11 | All | All | All |
| Application | Apache | Subversion | 1.6.12 | All | All | All |
| Application | Apache | Subversion | 1.6.13 | All | All | All |
| Application | Apache | Subversion | 1.6.14 | All | All | All |
| Application | Apache | Subversion | 1.6.15 | All | All | All |
| Application | Apache | Subversion | 1.6.16 | All | All | All |
| Application | Apache | Subversion | 1.6.17 | All | All | All |
| Application | Apache | Subversion | 1.6.18 | All | All | All |
| Application | Apache | Subversion | 1.6.19 | All | All | All |
| Application | Apache | Subversion | 1.6.2 | All | All | All |
| Application | Apache | Subversion | 1.6.20 | All | All | All |
| Application | Apache | Subversion | 1.6.21 | All | All | All |
| Application | Apache | Subversion | 1.6.23 | All | All | All |
| Application | Apache | Subversion | 1.6.3 | All | All | All |
| Application | Apache | Subversion | 1.6.4 | All | All | All |
| Application | Apache | Subversion | 1.6.5 | All | All | All |
| Application | Apache | Subversion | 1.6.6 | All | All | All |
| Application | Apache | Subversion | 1.6.7 | All | All | All |
| Application | Apache | Subversion | 1.6.8 | All | All | All |
| Application | Apache | Subversion | 1.6.9 | All | All | All |
| Application | Apache | Subversion | 1.7.0 | All | All | All |
| Application | Apache | Subversion | 1.7.1 | All | All | All |
| Application | Apache | Subversion | 1.7.10 | All | All | All |
| Application | Apache | Subversion | 1.7.11 | All | All | All |
| Application | Apache | Subversion | 1.7.12 | All | All | All |
| Application | Apache | Subversion | 1.7.13 | All | All | All |
| Application | Apache | Subversion | 1.7.14 | All | All | All |
| Application | Apache | Subversion | 1.7.15 | All | All | All |
| Application | Apache | Subversion | 1.7.16 | All | All | All |
| Application | Apache | Subversion | 1.7.17 | All | All | All |
| Application | Apache | Subversion | 1.7.18 | All | All | All |
| Application | Apache | Subversion | 1.7.19 | All | All | All |
| Application | Apache | Subversion | 1.7.2 | All | All | All |
| Application | Apache | Subversion | 1.7.20 | All | All | All |
| Application | Apache | Subversion | 1.7.3 | All | All | All |
| Application | Apache | Subversion | 1.7.4 | All | All | All |
| Application | Apache | Subversion | 1.7.5 | All | All | All |
| Application | Apache | Subversion | 1.7.6 | All | All | All |
| Application | Apache | Subversion | 1.7.7 | All | All | All |
| Application | Apache | Subversion | 1.7.8 | All | All | All |
| Application | Apache | Subversion | 1.7.9 | All | All | All |
| Application | Apache | Subversion | 1.8.0 | All | All | All |
| Application | Apache | Subversion | 1.8.1 | All | All | All |
| Application | Apache | Subversion | 1.8.10 | All | All | All |
| Application | Apache | Subversion | 1.8.11 | All | All | All |
| Application | Apache | Subversion | 1.8.12 | All | All | All |
| Application | Apache | Subversion | 1.8.13 | All | All | All |
| Application | Apache | Subversion | 1.8.14 | All | All | All |
| Application | Apache | Subversion | 1.8.15 | All | All | All |
| Application | Apache | Subversion | 1.8.16 | All | All | All |
| Application | Apache | Subversion | 1.8.2 | All | All | All |
| Application | Apache | Subversion | 1.8.3 | All | All | All |
| Application | Apache | Subversion | 1.8.4 | All | All | All |
| Application | Apache | Subversion | 1.8.5 | All | All | All |
| Application | Apache | Subversion | 1.8.6 | All | All | All |
| Application | Apache | Subversion | 1.8.7 | All | All | All |
| Application | Apache | Subversion | 1.8.8 | All | All | All |
| Application | Apache | Subversion | 1.8.9 | All | All | All |
| Application | Apache | Subversion | 1.9.0 | All | All | All |
| Application | Apache | Subversion | 1.9.1 | All | All | All |
| Application | Apache | Subversion | 1.9.2 | All | All | All |
| Application | Apache | Subversion | 1.9.3 | All | All | All |
| Application | Apache | Subversion | 1.9.4 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Debian | Debian Linux | 9.0 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Apache Software Foundation | Apache Subversion | affected 1.4.0 to 1.8.16 | Not specified |
| CNA | Apache Software Foundation | Apache Subversion | affected 1.9.0 to 1.9.4 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Apache Subversion CVE-2016-8734 XML External Entity Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Apache Subversion XML External Entity Processing Flaw Lets Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Oracle Critical Patch Update Advisory - October 2020 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| Pony Mail! | af854a3a-2127-422b-91ae-364da2661108 | lists.apache.org | |
| Debian -- Security Information -- DSA-3932-1 subversion | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| subversion.apache.org/security/CVE-2016-8734-advisory.txt | af854a3a-2127-422b-91ae-364da2661108 | subversion.apache.org | Issue Tracking, Vendor Advisory |
| Pony Mail! | MITRE | lists.apache.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 671120 EulerOS Security Update for subversion (EulerOS-SA-2019-2504)