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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:108275
[Rus]
Version
2
Class
patch
ALTXid
293723
Language
English
Severity
High
Title
DLA-1949-1 -- xen security update
Description
Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, informations leaks or privilege escalation.
Family
unix
Platform
Debian 8
Product
xen
Reference
VENDOR: DLA-1949-1
VENDOR: DLA-1949-1
Id:
DLA-1949-1
Reference:
https://lists.debian.org/debian-lts-announce/2019/debian-lts-announce-201910/msg00008.html
CVE: CVE-2018-19961
CVE: CVE-2018-19961
Id:
CVE-2018-19961
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19961
Comment
: An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
459 (Incomplete Cleanup)
References:
https://xenbits.xen.org/xsa/advisory-275.html (MISC)
106182 (BID)
https://support.citrix.com/article/CTX239432 (CONFIRM)
DSA-4369 (DEBIAN)
openSUSE-SU-2019:1226 (SUSE)
[debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update (MLIST)
FEDORA-2019-bce6498890 ()
CVE: CVE-2018-19962
CVE: CVE-2018-19962
Id:
CVE-2018-19962
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19962
Comment
: An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
200 (Information Exposure)
References:
https://xenbits.xen.org/xsa/advisory-275.html (MISC)
106182 (BID)
https://support.citrix.com/article/CTX239432 (CONFIRM)
DSA-4369 (DEBIAN)
openSUSE-SU-2019:1226 (SUSE)
[debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update (MLIST)
FEDORA-2019-bce6498890 ()
CVE: CVE-2018-19966
CVE: CVE-2018-19966
Id:
CVE-2018-19966
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19966
Comment
: An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
8.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
436 (Interpretation Conflict)
References:
https://xenbits.xen.org/xsa/advisory-280.html (MISC)
106182 (BID)
DSA-4369 (DEBIAN)
openSUSE-SU-2019:1226 (SUSE)
[debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update (MLIST)
FEDORA-2019-bce6498890 ()
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