VulnerabilityModified
CVE-2008-1952
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.
LOW 2.1EPSS 0.38%
Does this matter?
Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- xensource/xen para virtualized frame buffer
- Source
- secalert@redhat.com
References
- http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html
- http://secunia.com/advisories/32088Vendor Advisory
- http://www.openwall.com/lists/oss-security/2008/05/21/9Patch
- http://www.securityfocus.com/bid/30646
- http://www.securitytracker.com/id?1020957
- http://xenbits.xensource.com/xen-unstable.hg?rev/9044705960cb30cec385bdca7305bcf7db096721Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43362
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11189
- https://rhn.redhat.com/errata/RHSA-2008-0892.html
- http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html
- http://secunia.com/advisories/32088Vendor Advisory
- http://www.openwall.com/lists/oss-security/2008/05/21/9Patch
- http://www.securityfocus.com/bid/30646
- http://www.securitytracker.com/id?1020957
- http://xenbits.xensource.com/xen-unstable.hg?rev/9044705960cb30cec385bdca7305bcf7db096721Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43362
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11189
- https://rhn.redhat.com/errata/RHSA-2008-0892.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.