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SUSE: 2021:0028-1 Important Dovecot23 Resource Issue Fix

suse
Calendar Grey January 5, 2021
Scroller Suse
Crucial SUSE enhancement for dovecot23 resolves multiple security vulnerabilities and boosts the robustness of server applications.
An update that fixes 5 vulnerabilities is now available

Summary

This update for dovecot23 fixes the following issues: Security issues fixed: - CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts (bsc#1174920). - CVE-2020-12673: Fixed an improper implementation of NTLM that did not check the message buffer size (bsc#1174922). - CVE-2020-12674: Fixed an improper implementation of the RPA mechanism (bsc#1174923). - CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405). - CVE-2020-25275: Fixed a crash when the 10000th MIME part was message/rfc822 (bsc#1180406). Non-security issues fixed: - Pigeonhole was updated to version 0.5.11. - Dovecot was updated to version 2.3.11.3. Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods

Topics%20covered

Topics Covered

security advisory patch important SUSE resource exhaustion dovecot23 IMAP issue

References

#1174920 #1174922 #1174923 #1180405 #1180406

Cross- CVE-2020-12100 CVE-2020-12673 CVE-2020-12674

CVE-2020-24386 CVE-2020-25275

Affected Products:

SUSE Linux Enterprise Module for Server Applications 15-SP2

https://www.suse.com/security/cve/CVE-2020-12100.html

https://www.suse.com/security/cve/CVE-2020-12673.html

https://www.suse.com/security/cve/CVE-2020-12674.html

https://www.suse.com/security/cve/CVE-2020-24386.html

https://www.suse.com/security/cve/CVE-2020-25275.html

https://bugzilla.suse.com/1174920

https://bugzilla.suse.com/1174922

https://bugzilla.suse.com/1174923

https://bugzilla.suse.com/1180405

https://bugzilla.suse.com/1180406

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0028-1
Rating: important

Topics%20covered

Topics Covered

security advisory patch important SUSE resource exhaustion dovecot23 IMAP issue

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