CVE-2020-12100 (GCVE-0-2020-12100)

Vulnerability from cvelistv5 – Published: 2020-08-12 15:07 – Updated: 2024-08-04 11:48
VLAI
Summary
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://dovecot.org/security x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/08/12/1 mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4745 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4456-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4456-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202009-02 vendor-advisoryx_refsource_GENTOO
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2021/01/04/3 mailing-listx_refsource_MLIST
http://seclists.org/fulldisclosure/2021/Jan/18 mailing-listx_refsource_FULLDISC
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Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4745\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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Tags
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.