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SUSE: 2021:0029-1 Critical Security Update for Dovecot23 Released

suse
Calendar Grey January 5, 2021
Scroller Suse
Critical SUSE patch for dovecot23 addresses several vulnerabilities. Discover the changes and impacted versions.
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 Server for SAP 15: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-29=1

Topics%20covered

Topics Covered

security advisory important resource exhaustion SUSE Linux Enterprise IMAP access dovecot23 multiple security fixes

References

#1174920 #1180405 #1180406

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

Affected Products:

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-ESPOS

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-2021:0029-1
Rating: important

Topics%20covered

Topics Covered

security advisory important resource exhaustion SUSE Linux Enterprise IMAP access dovecot23 multiple security fixes

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