CVE-2022-26562

Public Exploit

Description

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).

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.57% Top 20%
Vendor Advisory kopano.com Vendor Advisory kopano.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://kopano.com/ vendor advisory
https://stash.kopano.io/projects/KC/repos/kopanocore/browse/provider/libserver/ECKrbAuth.cpp#137 exploit vendor advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00006.html mailing list
https://jira.kopano.io/browse/KC-2021
https://github.com/Kopano-dev/kopano-core/blob/master/provider/libserver/ECKrbAuth.cpp#L137
https://bugzilla.redhat.com/show_bug.cgi?id=2192126
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-342b96903b
https://src.fedoraproject.org/rpms/zarafa/c/a5a8366ccf07f248fae6edffb5123cfda579bfdb?branch=epel7

Frequently Asked Questions

What is the severity of CVE-2022-26562?
CVE-2022-26562 has been scored as a critical severity vulnerability.
How to fix CVE-2022-26562?
To fix CVE-2022-26562, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-26562 being actively exploited in the wild?
It is possible that CVE-2022-26562 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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