Vigil@nce - Cyrus IMAP: privilege escalation via Sieve Script Fileinto Directive
February 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulne...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora.
Consequences: data creation/edition.
Provenance: user account.
Confidence: confirmed by the editor (5/5).
Creation date: 20/12/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via Sieve Script Fileinto Directive of Cyrus IMAP, in order to escalate his privileges.
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