Home/CVE/A use-after-free flaw in the sandbox container implemented in cmdguard.sys in Comodo Antivirus 12.0.0.6870 can be trigge
CVE

CVE-2019-14694

A use-after-free flaw in the sandbox container implemented in cmdguard.sys in Comodo Antivirus 12.0.0.6870 can be trigge

A use-after-free flaw in the sandbox container implemented in cmdguard.sys in Comodo Antivirus 12.0.0.6870 can be triggered due to a race condition when handling IRP_MJ_CLEANUP requests in the minifilter for directory change notifications. This allows an attacker to cause a denial of service (BSOD) when an executable is run inside the container.

MEDIUM · CVSS 4.7 EPSS 0.00044
Schedule remediation
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416Use After Free
▤

Affected Products & Versions

1
comodo antivirusall versions
⚠

Public Exploits & PoCs

1
pocrce4fun.blogspot.com · comodo-antivirus-sandbox-race-condition.htmlrce4fun.blogspot.com
◈

Sigma Hunt Rules

8
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.
productcriticalAntivirus Exploitation Framework Detection
productcriticalAntivirus Password Dumper Detection
productcriticalAntivirus Ransomware Detection
producthighAntivirus Web Shell Detection
producthighAntivirus Relevant File Paths Alerts
producthighAntivirus Hacktool Detection
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.0 · cve@mitre.org
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 NVD28 Aug 2019 · 08:15 PM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/SouhailHammou/Exploits/blob/master/CVE-2019-14694Patch
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