CVE-2020-7957

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2020-7957
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-02-12 17:15:00 UTC
Updated2023-11-07 03:26:00 UTC
DescriptionThe IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dovecot Dovecot All All All All
Application Dovecot Dovecot All All All All
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 31 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 30 Update: dovecot-2.3.9.3-1.fc30 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 30 Update: dovecot-2.3.9.3-1.fc30 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 31 Update: dovecot-2.3.9.3-1.fc31 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
oss-security - CVE-2020-7957: Dovecot: Specially crafted mail can crash snippet generation CONFIRM www.openwall.com Mailing List, Third Party Advisory
[Dovecot-news] CVE-2020-7957: Specially crafted mail can crash snippet generation CONFIRM dovecot.org Mailing List, Vendor Advisory
[SECURITY] Fedora 31 Update: dovecot-2.3.9.3-1.fc31 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Dovecot | Security MISC dovecot.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500167 Alpine Linux Security Update for dovecot
  • 503900 Alpine Linux Security Update for dovecot
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