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SUSE Linux: 2017:1737-1 Critical: BIND DNS Access Attack

suse
Calendar Grey June 30, 2017
Dist Suse Esm H88
SUSE has rolled out a security patch for BIND that addresses significant vulnerabilities impacting legitimate access to DNS services and safeguards essential infrastructures.
An update that fixes two vulnerabilities is now available

Summary

This update for bind fixes the following issues: - An attacker with the ability to send and receive messages to an authoritative DNS server was able to circumvent TSIG authentication of AXFR requests. A server that relied solely on TSIG keys for protection could be manipulated into (1) providing an AXFR of a zone to an unauthorized recipient and (2) accepting bogus Notify packets. [bsc#1046554, CVE-2017-3142] - An attacker who with the ability to send and receive messages to an authoritative DNS server and who had knowledge of a valid TSIG key name for the zone and service being targeted was able to manipulate BIND into accepting an unauthorized dynamic update. [bsc#1046555, CVE-2017-3143] Patch Instructions: To install this SUSE Security Update use YaST online_update.

References

#1046554 #1046555

Cross- CVE-2017-3142 CVE-2017-3143

Affected Products:

SUSE Linux Enterprise Software Development Kit 11-SP4

SUSE Linux Enterprise Server 11-SP4

SUSE Linux Enterprise Server 11-SP3-LTSS

SUSE Linux Enterprise Point of Sale 11-SP3

SUSE Linux Enterprise Debuginfo 11-SP4

SUSE Linux Enterprise Debuginfo 11-SP3

https://www.suse.com/security/cve/CVE-2017-3142.html

https://www.suse.com/security/cve/CVE-2017-3143.html

https://bugzilla.suse.com/1046554

https://bugzilla.suse.com/1046555

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2017:1737-1
Rating: important

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