Description
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-controlled location. This occurs during use of local JWT validation with the posix fs driver.
Published: 2021-06-28
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-15796 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-controlled location. This occurs during use of local JWT validation with the posix fs driver.
Ubuntu USN Ubuntu USN USN-4993-1 Dovecot vulnerabilities
History

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Subscriptions

Dovecot Dovecot
Fedoraproject Fedora
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T22:02:51.122Z

Reserved: 2021-03-25T00:00:00.000Z

Link: CVE-2021-29157

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-28T12:15:08.647

Modified: 2024-11-21T06:00:48.187

Link: CVE-2021-29157

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-06-21T00:00:00Z

Links: CVE-2021-29157 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses