CVE-2021-29157 | Mend Vulnerability Database

Vulnerability DatabaseCVE-2021-29157

CVE-2021-29157

June 28, 2021

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.

Related Resources (13)

https://github.com/dovecot/core/commit/bae4e44596d6548322665d242b055f44fe1dc58d

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-29157

https://security.gentoo.org/glsa/202107-41

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/

https://www.openwall.com/lists/oss-security/2021/06/28/1

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/

https://security-tracker.debian.org/tracker/CVE-2021-29157

https://access.redhat.com/security/cve/CVE-2021-29157

https://security.archlinux.org/CVE-2021-29157

https://dovecot.org/security