CVE-2021-1405 (GCVE-0-2021-1405)

Vulnerability from cvelistv5 – Published: 2021-04-08 04:30 – Updated: 2024-11-08 23:25
VLAI?
Summary
A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
https://blog.clamav.net/2021/04/clamav-01032-secu… vendor-advisoryx_refsource_CISCO
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202104-07 vendor-advisoryx_refsource_GENTOO
Impacted products
Vendor Product Version
Cisco ClamAV Affected: unspecified , ≤ 0.103.1 (custom)
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Sightings

Author Source Type Date

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.