CVE-2022-26562

An issue in provider/libserver/ECKrbAuth.cpp of Kopano Core <= v11.0.2.51 contains an issue which allows attackers to authenticate even if the user account or password is expired. It also exists in the predecessor Zarafa Collaboration Platform (ZCP) in provider/libserver/ECPamAuth.cpp of Zarafa >= 6.30 (introduced between 6.30.0 RC1e and 6.30.8 final).

USN-6876-1 — kopanocore vulnerabilities

Affected: Ubuntu:Pro:18.04:LTS: kopanocore, Ubuntu:20.04:LTS: kopanocore, Ubuntu:22.04:LTS: kopanocore

It was discovered that Kopano Core allowed out-of-bounds access. An attacker could use this issue to expose private information. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-19907)

It was discovered that Kopano Core allowed possible authentication with expired passwords. An attacker could use this issue to bypass authentication. (CVE-2022-26562)

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CVE-2022-26562

USN-6876-1 — kopanocore vulnerabilities