Vulnerability Details : CVE-2014-1891
Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894.
Vulnerability category: Denial of service
Products affected by CVE-2014-1891
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-1891
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-1891
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.2
|
MEDIUM | AV:A/AC:M/Au:S/C:N/I:N/A:C |
4.4
|
6.9
|
NIST |
CWE ids for CVE-2014-1891
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-1891
-
http://www.openwall.com/lists/oss-security/2014/02/10/8
oss-security - Xen Security Advisory 84 (CVE-2014-1891,CVE-2014-1892,CVE-2014-1893,CVE-2014-1894) - integer overflow in several XSM/Flask hypercalls
-
http://www.openwall.com/lists/oss-security/2014/02/07/12
oss-security - Re: Xen Security Advisory 84 - integer overflow in several XSM/Flask hypercalls
-
http://security.gentoo.org/glsa/glsa-201407-03.xml
Xen: Multiple Vunlerabilities (GLSA 201407-03) — Gentoo security
-
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
[security-announce] SUSE-SU-2014:0446-1: important: Security update for
-
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
[security-announce] SUSE-SU-2014:0373-1: important: Security update for
-
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
[security-announce] SUSE-SU-2014:0372-1: important: Security update for
-
http://www.openwall.com/lists/oss-security/2014/02/07/4
oss-security - Re: Xen Security Advisory 84 - integer overflow in several XSM/Flask hypercalls
-
http://xenbits.xen.org/xsa/advisory-84.html
XSA-84 - Xen Security AdvisoriesPatch;Vendor Advisory
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