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SUSE Linux Enterprise 15-SP1 Security Advisory for Dovecot23 Issues

suse
Calendar Grey January 5, 2021
Scroller Suse
An essential patch for dovecot23 addresses multiple vulnerabilities in SUSE Linux, enhancing system safety and resilience.
An update that fixes three 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-2020-24386: 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 like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Server Applications 15-SP1:

Topics%20covered

Topics Covered

security advisory important suse dovecot server applications resource exhaustion imap access

References

#1174920 #1180405 #1180406

Cross- CVE-2020-12100 CVE-2020-24386 CVE-2020-25275

Affected Products:

SUSE Linux Enterprise Module for Server Applications 15-SP1

https://www.suse.com/security/cve/CVE-2020-12100.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/1180405

https://bugzilla.suse.com/1180406

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0027-1
Rating: important

Topics%20covered

Topics Covered

security advisory important suse dovecot server applications resource exhaustion imap access

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