Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2016-8734

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
16/10/2017
Last modified:
20/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
4.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:subversion:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.5.7:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools