Home/CVE/Multiple use-after-free vulnerabilities in vnc.c in the VNC server in QEMU 0.10.6 and earlier might allow guest OS users
CVE

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

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.

CRITICAL · CVSS 9.9 EPSS 0.00752
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

3
qemu<= 0.10.6
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
⚠

Public Exploits & PoCs

3
pocgit.savannah.gnu.org · ?id=198a0039c5git.savannah.gnu.org
pocgit.savannah.gnu.org · ?id=753b405331git.savannah.gnu.org
pocbugzilla.redhat.com · show_bug.cgi?id=505641bugzilla.redhat.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

9.9
CRITICAL · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Oct 2009 · 06:30 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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