openSUSE Security Update: Security update for dnsmasq ______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:0124-1 Rating: important References: #1176076 #1177077 Cross-References: CVE-2020-25681 CVE-2020-25682 CVE-2020-25683 CVE-2020-25684 CVE-2020-25685 CVE-2020-25686 CVE-2020-25687 Affected Products: openSUSE Leap 15.2 ______________________________________________________________________________

An update that fixes 7 vulnerabilities is now available.

Description:

This update for dnsmasq fixes the following issues:

- bsc#1177077: Fixed DNSpooq vulnerabilities - CVE-2020-25684, CVE-2020-25685, CVE-2020-25686: Fixed multiple Cache Poisoning attacks. - CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687: Fixed multiple potential Heap-based overflows when DNSSEC is enabled.

- Retry query to other servers on receipt of SERVFAIL rcode (bsc#1176076)

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-124=1

Package List:

- openSUSE Leap 15.2 (i586 x86_64):

dnsmasq-2.78-lp152.7.3.1 dnsmasq-debuginfo-2.78-lp152.7.3.1 dnsmasq-debugsource-2.78-lp152.7.3.1 dnsmasq-utils-2.78-lp152.7.3.1 dnsmasq-utils-debuginfo-2.78-lp152.7.3.1

References:

https://www.suse.com/security/cve/CVE-2020-25681.html https://www.suse.com/security/cve/CVE-2020-25682.html https://www.suse.com/security/cve/CVE-2020-25683.html https://www.suse.com/security/cve/CVE-2020-25684.html https://www.suse.com/security/cve/CVE-2020-25685.html https://www.suse.com/security/cve/CVE-2020-25686.html https://www.suse.com/security/cve/CVE-2020-25687.html https://bugzilla.suse.com/1176076 https://bugzilla.suse.com/1177077