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CVE-2016-5300

CVE information

Published

6 years ago

Last Modified

1 year ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

High

Impact Analysis

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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..

CVSSv2.0 Score

Severity
High
Base Score
7.8/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.9/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  Yes
- -
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
  Yes
- 2.2.0
cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*
  Yes
- -

References