WID-SEC-W-2022-1536

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Dovecot: Mehrere Schwachstellen

view advisory published 2021-06-21

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuführen, Benutzerrechte erlangen oder Informationen offenzulegen.

01

describes (3)

Related CVEs.

IDseverity exploitable
CVE-2021-33515USmedium4.8—
The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.
CVE-2020-28200USmedium4.3—
The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension.
CVE-2021-29157USmedium5.5—
Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker…
02

references

External citations — patches, advisories, analysis.

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