CVE-2008-1944: Buffer Overflow
First published: Mon Apr 21 2008(Updated: )
Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages."
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Desktop-file-utils | =5 | |
| Red Hat Enterprise Linux | =5.0 | |
| Red Hat Enterprise Linux | =5.0 | |
| Red Hat Virtualization Server | =5 | |
| XenServer | =3.0 | |
| XenServer | =3.0.3 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=443390
- http://www.securityfocus.com/bid/29186
- http://www.securitytracker.com/id?1020009
- http://www.redhat.com/support/errata/RHSA-2008-0194.html
- http://secunia.com/advisories/29963
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42388
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10868
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=217635
Frequently Asked Questions
What is the severity of CVE-2008-1944?
CVE-2008-1944 has a medium severity rating due to the potential for denial of service and arbitrary code execution.
How do I fix CVE-2008-1944?
To fix CVE-2008-1944, update your XenServer to a version later than 3.0.3 where the vulnerability has been patched.
What systems are affected by CVE-2008-1944?
CVE-2008-1944 affects XenServer versions 3.0 and 3.0.3, as well as some earlier versions of Red Hat Linux environments.
What type of attack is possible with CVE-2008-1944?
CVE-2008-1944 allows local users to perform a denial of service attack causing SDL crashes, and potentially execute arbitrary code.
Is CVE-2008-1944 exploitable remotely?
CVE-2008-1944 is not exploitable remotely as it requires local user access to trigger the buffer overflow.
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