CVE-2021-29157

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-29157
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.1 / Impact : 5.8

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

2.1 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
https://dovecot.org/security Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
https://security.gentoo.org/glsa/202107-41 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/06/28/1 Mailing List Third Party Advisory
https://dovecot.org/security Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
https://security.gentoo.org/glsa/202107-41 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/06/28/1 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
History

21 Nov 2024, 06:00

Type Values Removed Values Added
CVSS v2 : 2.1
v3 : 5.5 		v2 : 2.1
v3 : 7.5
References () https://dovecot.org/security - Vendor Advisory () https://dovecot.org/security - Vendor Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ -
References () https://security.gentoo.org/glsa/202107-41 - Third Party Advisory () https://security.gentoo.org/glsa/202107-41 - Third Party Advisory
References () https://www.openwall.com/lists/oss-security/2021/06/28/1 - Mailing List, Third Party Advisory () https://www.openwall.com/lists/oss-security/2021/06/28/1 - Mailing List, Third Party Advisory

07 Nov 2023, 03:32

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/', 'name': 'FEDORA-2021-208340a217', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/', 'name': 'FEDORA-2021-891c1ab1ac', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ -
Information

Published : 2021-06-28 12:15

Updated : 2024-11-21 06:00

NVD link : CVE-2021-29157

Mitre link : CVE-2021-29157

CVE.ORG link : CVE-2021-29157

JSON object : View

Products Affected

fedoraproject

  • fedora

dovecot

  • dovecot
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')