National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5300 Detail

Current Description

The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


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

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2016/dsa-3597 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/04/4 Mailing List
http://www.openwall.com/lists/oss-security/2016/06/04/5 Mailing List
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html Third Party Advisory
http://www.securityfocus.com/bid/91159 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3010-1 Third Party Advisory
https://security.gentoo.org/glsa/201701-21 Third Party Advisory
https://source.android.com/security/bulletin/2016-11-01.html Third Party Advisory
https://www.tenable.com/security/tns-2016-20 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:libexpat:expat:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.2.0

Configuration 3 ( hide )
 cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5300
NVD Published Date:
06/16/2016
NVD Last Modified:
01/23/2019