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SUSE: 2018:1425-1 Moderate: krb5 Authentication Bypass and Fixes

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Calendar Grey May 25, 2018
Scroller Suse
Debian Security Patch for libcurl addresses a serious level denial of service vulnerability, incorporating comprehensive remedial measures.
An update that solves one vulnerability and has two fixes is now available

Summary

This update for krb5 provides the following fixes: Security issues fixed: - CVE-2017-7562: Improper validation of certificate EKU and SAN could lead to authentication bypass. (bsc#1055851) Non-security issues fixed: - Set "rdns" and "dns_canonicalize_hostname" to false in krb5.conf in order to improve client security in handling service principle names. (bsc#1054028) - Fix a GSS failure in legacy applications by not indicating deprecated GSS mechanisms in gss_indicate_mech() list. (bsc#1081725) 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 12-SP1: zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-983=1

Topics%20covered

Topics Covered

security advisory moderate security fix authentication bypass krb5 patch instructions SUSE Linux Enterprise Server

References

#1054028 #1055851 #1081725

Cross- CVE-2017-7562

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP1

SUSE Linux Enterprise Server 12-SP1-LTSS

SUSE Linux Enterprise Server 12-LTSS

https://www.suse.com/security/cve/CVE-2017-7562.html

https://bugzilla.suse.com/1054028

https://bugzilla.suse.com/1055851

https://bugzilla.suse.com/1081725

Announcement ID: SUSE-SU-2018:1425-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security fix authentication bypass krb5 patch instructions SUSE Linux Enterprise Server

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