CVE-2009-3616
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 3.88% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- qemu/qemu · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
References
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5Broken Link, Exploit
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331Broken Link, Exploit
- 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 List, Patch
- http://www.openwall.com/lists/oss-security/2009/10/16/8Mailing List, Patch
- http://www.securityfocus.com/bid/36716Broken Link, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=501131Issue Tracking, Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=505641Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=508567Issue Tracking
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5Broken Link, Exploit
- http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331Broken Link, Exploit
- 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 List, Patch
- http://www.openwall.com/lists/oss-security/2009/10/16/8Mailing List, Patch
- http://www.securityfocus.com/bid/36716Broken Link, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=501131Issue Tracking, Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=505641Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=508567Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.