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Vulnerability Details : CVE-2008-5716

xend in Xen 3.3.0 does not properly restrict a guest VM's write access within the /local/domain xenstore directory tree, which allows guest OS users to cause a denial of service and possibly have unspecified other impact by writing to (1) console/tty, (2) console/limit, or (3) image/device-model-pid. NOTE: this issue exists because of erroneous set_permissions calls in the fix for CVE-2008-4405.
Publish Date : 2008-12-24 Last Update Date : 2017-08-07
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
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 Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 264

- Vendor Statements

Not vulnerable. This issue did not affect the versions of Xen as shipped with Red Hat Enterprise Linux 5. Security update released to address CVE-2008-4405 - https://rhn.redhat.com/errata/RHSA-2009-0003.html - contained correct patch which did not introduce this problem and resolved the original issue.
Source: Redhat

- Products Affected By CVE-2008-5716

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix XEN 3.3.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix XEN 1

- References For CVE-2008-5716

http://www.securityfocus.com/bid/31499
BID 31499 Xen XenStore Domain Configuration Data Unsafe Storage Vulnerability Release Date:2009-09-15
https://exchange.xforce.ibmcloud.com/vulnerabilities/47668
XF xen-xend-xenstore-dos(47668)
http://openwall.com/lists/oss-security/2008/12/19/1
MLIST [oss-security] 20081219 CVE Request -- Xen (Upstream patch for CVE-2008-4405 is incomplete)
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00847.html
MLIST [xen-devel] 20081218 Re: PATCH: Actually make /local/domain/$DOMID readonly to the guest
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00846.html
MLIST [xen-devel] 20081218 Re: PATCH: Actually make /local/domain/$DOMID readonly to the guest
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00842.html
MLIST [xen-devel] 20081218 PATCH: Actually make /local/domain/$DOMID readonly to the guest
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00845.html
MLIST [xen-devel] 20081218 Re: PATCH: Actually make /local/domain/$DOMID readonly to the guest

- Metasploit Modules Related To CVE-2008-5716

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


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