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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:7276
[Rus]
Version
5
Class
patch
ALTXid
65751
Language
English
Severity
NotAvailable
Title
DSA-3140-1 -- xen -- security update
Description
Multiple security issues have been discovered in the Xen virtualisation solution which may result in denial of service, information disclosure or privilege escalation.
Family
unix
Platform
Debian GNU/kFreeBSD 7
Debian GNU/Linux 7
Product
xen
Reference
VENDOR: DSA-3140-1
VENDOR: DSA-3140-1
Id:
DSA-3140-1
Reference:
http://www.debian.org/security/dsa-3140
CVE: CVE-2014-8594
CVE: CVE-2014-8594
Id:
CVE-2014-8594
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8594
Comment
: The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
CVSSv2 Score:
5.4
Access vector:
NETWORK
Access complexity:
HIGH
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:H/Au:N/C:N/I:N/A:C
CWE:
20 (Improper Input Validation)
References:
http://xenbits.xen.org/xsa/advisory-109.html (CONFIRM)
62672 (SECUNIA)
DSA-3140 (DEBIAN)
openSUSE-SU-2015:0256 (SUSE)
openSUSE-SU-2015:0226 (SUSE)
GLSA-201504-04 (GENTOO)
71149 (BID)
xen-cve20148594-sec-byass(98767) (XF)
CVE: CVE-2014-8595
CVE: CVE-2014-8595
Id:
CVE-2014-8595
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8595
Comment
: arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:P
CWE:
17 (Code)
References:
http://xenbits.xen.org/xsa/advisory-110.html (CONFIRM)
62672 (SECUNIA)
DSA-3140 (DEBIAN)
openSUSE-SU-2015:0256 (SUSE)
openSUSE-SU-2015:0226 (SUSE)
http://support.citrix.com/article/CTX201794 (CONFIRM)
GLSA-201504-04 (GENTOO)
71151 (BID)
62537 (SECUNIA)
xen-cve20148595-priv-esc(98768) (XF)
http://support.citrix.com/article/CTX200288 (CONFIRM)
CVE: CVE-2014-8866
CVE: CVE-2014-8866
Id:
CVE-2014-8866
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8866
Comment
: The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.
CVSSv2 Score:
4.7
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:C
CWE:
17 (Code)
References:
http://xenbits.xen.org/xsa/advisory-111.html (CONFIRM)
71332 (BID)
59937 (SECUNIA)
62672 (SECUNIA)
DSA-3140 (DEBIAN)
openSUSE-SU-2015:0256 (SUSE)
openSUSE-SU-2015:0226 (SUSE)
http://support.citrix.com/article/CTX201794 (CONFIRM)
GLSA-201504-04 (GENTOO)
http://support.citrix.com/article/CTX200288 (CONFIRM)
CVE: CVE-2014-8867
CVE: CVE-2014-8867
Id:
CVE-2014-8867
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8867
Comment
: The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE:
17 (Code)
References:
http://xenbits.xenproject.org/xsa/advisory-112.html (CONFIRM)
71331 (BID)
59949 (SECUNIA)
62672 (SECUNIA)
DSA-3140 (DEBIAN)
openSUSE-SU-2015:0256 (SUSE)
openSUSE-SU-2015:0226 (SUSE)
RHSA-2015:0783 (REDHAT)
http://support.citrix.com/article/CTX201794 (CONFIRM)
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 (CONFIRM)
GLSA-201504-04 (GENTOO)
http://support.citrix.com/article/CTX200288 (CONFIRM)
CVE: CVE-2014-9030
CVE: CVE-2014-9030
Id:
CVE-2014-9030
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9030
Comment
: The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE.
CVSSv2 Score:
7.1
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:C
CWE:
20 (Improper Input Validation)
References:
71207 (BID)
http://xenbits.xen.org/xsa/advisory-113.html (CONFIRM)
62672 (SECUNIA)
DSA-3140 (DEBIAN)
openSUSE-SU-2015:0256 (SUSE)
openSUSE-SU-2015:0226 (SUSE)
GLSA-201504-04 (GENTOO)
xen-mmumachphysupdate-dos(98853) (XF)
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