Use After Free in Qemu
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 transfer, (2) sending a message using incorrect integer data types, or (3) using the Fuzzy Screen Mode protocol, related to double free vulnerabilities.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.039 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Qemu
- Red Hat Enterprise Linux Server — versions 5.0
- Red Hat Enterprise Linux Workstation — versions 5.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- git.savannah.gnu.org/cgit/qemu.git/commit/ (Exploit, Broken Link)
- www.openwall.com/lists/oss-security/2009/10/16/8 (mailing-list, Patch, Mailing List)
- git.savannah.gnu.org/cgit/qemu.git/commit/ (Exploit, Broken Link)
- marc.info/ (mailing-list, Mailing List)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.securityfocus.com/bid/36716 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- rhn.redhat.com/errata/RHEA-2009-1272.html (Third Party Advisory)
- www.openwall.com/lists/oss-security/2009/10/16/5 (mailing-list, Patch, Mailing List)
- bugzilla.redhat.com/show_bug.cgi (Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2009-3616?
- CVE-2009-3616 is a critical-severity vulnerability in Qemu, classified under Use After Free. CVSS score: 9.9/10. Published 2009-10-23.
- How severe is CVE-2009-3616?
- Critical severity. CVSS v3 base score is 9.9 out of 10.