CVE-2008-1952

Published: Jun 23, 2008Modified: Apr 23, 2026

2.1

Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability: 3.9 / Impact: 2.9

Source: NVD

Description

The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.

Affected (1)

Products: Xensource: Xen Para Virtualized Frame Buffer

Xensource

1 product

Xen Para Virtualized Frame Buffer

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xensource Xen Para Virtualized Frame Buffer	All versions

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (18)

http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html

Source: secalert@redhat.com

http://secunia.com/advisories/32088

Source: secalert@redhat.com

Vendor Advisory

http://www.openwall.com/lists/oss-security/2008/05/21/9

Source: secalert@redhat.com

Patch

http://www.securityfocus.com/bid/30646

Source: secalert@redhat.com

http://www.securitytracker.com/id?1020957

Source: secalert@redhat.com

http://xenbits.xensource.com/xen-unstable.hg?rev/9044705960cb30cec385bdca7305bcf7db096721

Source: secalert@redhat.com

Patch

https://exchange.xforce.ibmcloud.com/vulnerabilities/43362

Source: secalert@redhat.com

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11189

Source: secalert@redhat.com

https://rhn.redhat.com/errata/RHSA-2008-0892.html

Source: secalert@redhat.com

http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html