CVE-2024-20506 (GCVE-0-2024-20506)

Vulnerability from cvelistv5 – Published: 2024-09-04 21:28 – Updated: 2025-11-03 21:52
VLAI
Title
ClamAV Privilege Handling Escalation Vulnerability
Summary
A vulnerability in the ClamD service module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an authenticated, local attacker to corrupt critical system files. The vulnerability is due to allowing the ClamD process to write to its log file while privileged without checking if the logfile has been replaced with a symbolic link. An attacker could exploit this vulnerability if they replace the ClamD log file with a symlink to a critical system file and then find a way to restart the ClamD process. An exploit could allow the attacker to corrupt a critical system file by appending ClamD log messages after restart.
Severity
6.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version
Cisco ClamAV Affected: 1.4.0
Affected: 1.3.2
Affected: 1.0.6
Affected: 1.0.5
Affected: 1.0.4
Affected: 1.0.3
Affected: 1.0.2
Affected: 1.0.1
Affected: 1.0.0
Affected: 1.2.x
Affected: 0.105.x
Affected: 0.104.x
Affected: 0.103.11
Affected: 0.103.10
Affected: 0.103.9
Affected: 0.103.8
Affected: 0.103.7
Affected: 0.103.6
Affected: 0.103.5
Affected: 0.103.4
Affected: 0.103.3
Affected: 0.103.2
Affected: 0.103.1
Affected: 0.103.0
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      "dataType": "CVE_RECORD",
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    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.