Vulnerability Description
Multiple use-after-free vulnerabilities in vnc.c in the VNC server in QEMU 0.10.6 and earlier might allow guest OS users to execute arbitrary code on the host OS by establishing a connection from a VNC client and then (1) disconnecting during data transfer, (2) sending a message using incorrect integer data types, or (3) using the Fuzzy Screen Mode protocol, related to double free vulnerabilities.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 0.10.6 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Workstation | 5.0 |
Related Weaknesses (CWE)
References
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5Broken LinkExploit
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331Broken LinkExploit
- http://marc.info/?l=qemu-devel&m=124324043812915Mailing List
- http://rhn.redhat.com/errata/RHEA-2009-1272.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2009/10/16/5Mailing ListPatch
- http://www.openwall.com/lists/oss-security/2009/10/16/8Mailing ListPatch
- http://www.securityfocus.com/bid/36716Broken LinkThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=501131Issue TrackingPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=505641ExploitIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=508567Issue Tracking
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5Broken LinkExploit
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331Broken LinkExploit
- http://marc.info/?l=qemu-devel&m=124324043812915Mailing List
- http://rhn.redhat.com/errata/RHEA-2009-1272.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2009/10/16/5Mailing ListPatch
FAQ
What is CVE-2009-3616?
CVE-2009-3616 is a vulnerability with a CVSS score of 9.9 (CRITICAL). Multiple use-after-free vulnerabilities in vnc.c in the VNC server in QEMU 0.10.6 and earlier might allow guest OS users to execute arbitrary code on the host OS by establishing a connection from a VN...
How severe is CVE-2009-3616?
CVE-2009-3616 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2009-3616?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.