CVE-2009-3616
CRITICAL severity · CVSS 9.9 · Use-after-free
9.9CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2009/10/16/5 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2009/10/16/5Patch
- http://www.openwall.com/lists/oss-security/2009/10/16/8Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=501131Patch
- http://marc.info/?l=qemu-devel&m=124324043812915
- http://rhn.redhat.com/errata/RHEA-2009-1272.htmlAdvisory
- http://www.securityfocus.com/bid/36716Advisory
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5Exploit
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331Exploit