CVE-2023-20052 (GCVE-0-2023-20052)

Vulnerability from cvelistv5 – Published: 2023-02-16 15:26 – Updated: 2024-08-02 08:57
VLAI
Summary
On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Secure Endpoint Affected: 6.0.9
Affected: 6.0.7
Affected: 6.1.5
Affected: 6.1.7
Affected: 6.1.9
Affected: 6.2.1
Affected: 6.2.5
Affected: 6.2.19
Affected: 6.2.9
Affected: 6.3.5
Affected: 6.3.1
Affected: 6.3.7
Affected: 6.3.3
Affected: 7.0.5
Affected: 7.1.1
Affected: 7.1.5
Affected: 1.12.1
Affected: 1.12.2
Affected: 1.12.5
Affected: 1.12.0
Affected: 1.12.6
Affected: 1.12.3
Affected: 1.12.7
Affected: 1.12.4
Affected: 1.13.0
Affected: 1.13.1
Affected: 1.13.2
Affected: 1.11.0
Affected: 1.10.2
Affected: 1.10.1
Affected: 1.10.0
Affected: 1.14.0
Affected: 1.6.0
Affected: 1.9.0
Affected: 1.9.1
Affected: 1.8.1
Affected: 1.8.0
Affected: 1.8.4
Affected: 1.7.0
Affected: 7.2.13
Affected: 7.2.7
Affected: 7.2.3
Affected: 7.2.11
Affected: 7.2.5
Affected: 7.3.3
Affected: 7.3.5
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  }
}


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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.