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Dovecot: Mehrere Schwachstellen ermöglichen Denial of Service
view advisory published 2020-08-12
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Dovecot, ausnutzen, um einen Denial of Service Angriff durchzuführen.
01
describes (3)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-12674US | high7.5 | — | ||
In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled. | ||||
| CVE-2020-12673US | high7.5 | — | ||
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read. | ||||
| CVE-2020-12100US | high7.5 | — | ||
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 mes… | ||||
02
references
External citations — patches, advisories, analysis.
- CentOS Security Advisory CESA-2020:3617 vom 2020-09-14external
- SUSE Security Update SUSE-SU-2020:2267-1 vom 2020-08-18external
- SUSE Security Update SUSE-SU-2020:2266-1 vom 2020-08-18external
- SUSE Security Update SUSE-SU-2020:2274-1 vom 2020-08-19external
- Red Hat Security Advisory RHSA-2020:3617 vom 2020-09-03external
- Red Hat Security Advisory RHSA-2020:3713 vom 2020-09-10external
- Red Hat Security Advisory RHSA-2020:3735 vom 2020-09-14external
- Red Hat Security Advisory RHSA-2020:3736 vom 2020-09-14external
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