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Vulnerability Details : CVE-2017-17563

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
Publish Date : 2017-12-12 Last Update Date : 2018-10-19
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- CVSS Scores & Vulnerability Types

CVSS Score
6.9
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowGain privileges
CWE ID 119

- Products Affected By CVE-2017-17563

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 4.9.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 1

- References For CVE-2017-17563

https://xenbits.xen.org/xsa/advisory-249.html CONFIRM
https://www.debian.org/security/2018/dsa-4112
DEBIAN DSA-4112
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
MLIST [debian-lts-announce] 20180105 [SECURITY] [DLA 1230-1] xen security update
https://support.citrix.com/article/CTX232096 CONFIRM
http://www.securityfocus.com/bid/102169
BID 102169 Xen 'Hypervisor' Memory Corruption Vulnerability Release Date:2018-01-08
https://security.gentoo.org/glsa/201801-14
GENTOO GLSA-201801-14
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
MLIST [debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security update
http://www.securitytracker.com/id/1040769
SECTRACK 1040769
http://www.openwall.com/lists/oss-security/2017/12/12/2 CONFIRM

- Metasploit Modules Related To CVE-2017-17563

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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