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CVE-2021-29157

Published: Jun 28, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-22
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.5%
Top 63.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:CC:HI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

n/an/a
dovecotdovecot
On-premWeb App
Communications / email-server-client
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
dovecotoss-projectCommunicationsaka dovecot, pigeonhole
fedoraprojectoss-projectUSOperating Systemsaka fedora project
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
novell inc.commercialUSOperating Systems
and 13 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://dovecot.org/security
dovecot.org
https://www.openwall.com/lists/oss-security/2021/06/28/1
openwall.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
lists.fedoraproject.org
and 9 more references View all →

Timeline

Published
Jun 28, 2021
Last Updated
Nov 21, 2024

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