CVE-2013-2076

CVSS V2 Medium 4.3 CVSS V3 None
Description
Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.
Overview
  • CVE ID
  • CVE-2013-2076
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2013-08-28T21:55:08
  • Last Modified Date
  • 2023-02-13T00:28:23
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:4.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:H/Au:S/C:C/I:N/A:N
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • HIGH
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 2.5
  • Impact Score
  • 6.9
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2013/06/03/1
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://www.debian.org/security/2014/dsa-3006
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2013-2076
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2076
History
Created Old Value New Value Data Type Notes
2022-05-10 10:25:35 Added to TrackCVE
2022-12-01 19:29:59 2013-08-28T21:55Z 2013-08-28T21:55:08 CVE Published Date updated
2022-12-01 19:29:59 2014-12-12T02:59:28 CVE Modified Date updated
2022-12-01 19:29:59 Modified Vulnerability Status updated
2023-02-13 01:04:21 2023-02-13T00:28:23 CVE Modified Date updated
2023-02-13 01:04:22 Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels. Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels. Description updated