CVE-2016-9379

CVSS V2 Medium 4.6 CVSS V3 High 7.9
Description
The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.
Overview
  • CVE ID
  • CVE-2016-9379
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-01-23T21:59:02
  • Last Modified Date
  • 2017-07-01T01:30:12
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.9
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.5
  • Impact Score
  • 5.8
References
Reference URL Reference Tags
https://support.citrix.com/article/CTX218775 Patch Third Party Advisory
http://xenbits.xen.org/xsa/xsa198.patch Patch Vendor Advisory
http://xenbits.xen.org/xsa/advisory-198.html Patch Vendor Advisory
http://www.securitytracker.com/id/1037347 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/94473 Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201612-56
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-9379
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9379
History
Created Old Value New Value Data Type Notes
2022-05-10 09:40:12 Added to TrackCVE
2022-12-02 13:07:09 2017-01-23T21:59Z 2017-01-23T21:59:02 CVE Published Date updated
2022-12-02 13:07:09 2017-07-01T01:30:12 CVE Modified Date updated
2022-12-02 13:07:09 Modified Vulnerability Status updated