CVE-2015-8553

CVSS V2 Low 2.1 CVSS V3 Medium 6.5

Description

Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.

Overview

CVE ID
CVE-2015-8553

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2016-04-13T15:59:07

Last Modified Date
2019-08-13T23:15:11

Weakness Enumerations

CWE	URL
CWE-200	http://cwe.mitre.org/data/definitions/200.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:xen:xen:-:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:5:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:P/I:N/A:N

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2

Impact Score
4

References

Reference URL	Reference Tags
http://xenbits.xen.org/xsa/advisory-120.html	Patch Vendor Advisory
https://www.debian.org/security/2019/dsa-4497
https://seclists.org/bugtraq/2019/Aug/18

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2015-8553
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8553

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:38:32				Added to TrackCVE
2022-12-02 08:57:33	2016-04-13T15:59Z	2016-04-13T15:59:07	CVE Published Date	updated
2022-12-02 08:57:33		2019-08-13T23:15:11	CVE Modified Date	updated
2022-12-02 08:57:33		Modified	Vulnerability Status	updated