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Anti Virus CVE-2019-18644

MEDIUM
Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
2019-10-31 cve@mitre.org
Information Disclosure Anti Virus
5.9
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
Oct 31, 2019 - 00:15 nvd
MEDIUM 5.9

DescriptionNVD

The malware scan function in Total Defense Anti-virus 11.5.2.28 is vulnerable to a TOCTOU bug; consequently, symbolic link attacks allow privileged files to be deleted.

AnalysisAI

The malware scan function in Total Defense Anti-virus 11.5.2.28 is vulnerable to a TOCTOU bug; consequently, symbolic link attacks allow privileged files to be deleted. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-367. The malware scan function in Total Defense Anti-virus 11.5.2.28 is vulnerable to a TOCTOU bug; consequently, symbolic link attacks allow privileged files to be deleted. Affected products include: Totaldefense Anti-Virus.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2019-18644 vulnerability details – vuln.today
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