NVD - CVE-2016-8734

CVE-2016-8734 Detail

Current Description

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.

Source: MITRE
Description Last Modified: 10/16/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.debian.org/security/2017/dsa-3932	Broken Link
http://www.securityfocus.com/bid/94588	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037361	Third Party Advisory VDB Entry
https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E	Vendor Advisory
https://subversion.apache.org/security/CVE-2016-8734-advisory.txt	Issue Tracking Vendor Advisory

Technical Details

Vulnerability Type (View All)

Uncontrolled Resource Consumption ('Resource Exhaustion') (CWE-400)

Vulnerable software and versions Switch to CPE 2.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Initial Analysis - 11/7/2017 1:23:28 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 4461 characters. View Entire Change Record OR 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
Added	CVSS V2		(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Added	CVSS V3		AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added	CWE		CWE-400
Changed	Reference Type	http://www.debian.org/security/2017/dsa-3932 No Types Assigned	http://www.debian.org/security/2017/dsa-3932 Broken Link
Changed	Reference Type	http://www.securityfocus.com/bid/94588 No Types Assigned	http://www.securityfocus.com/bid/94588 Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.securitytracker.com/id/1037361 No Types Assigned	http://www.securitytracker.com/id/1037361 Third Party Advisory, VDB Entry
Changed	Reference Type	https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E No Types Assigned	https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E Vendor Advisory
Changed	Reference Type	https://subversion.apache.org/security/CVE-2016-8734-advisory.txt No Types Assigned	https://subversion.apache.org/security/CVE-2016-8734-advisory.txt Issue Tracking, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2016-8734
NVD Published Date:
10/16/2017
NVD Last Modified:
11/07/2017

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CVE-2016-8734 Detail

Current Description

Analysis Description