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openSUSE Leap 15.1: 2021:0129-1 Critical Dnsmasq Security Patch

opensuse
Calendar Grey January 20, 2021
Dist Opensuse Esm H88
A significant enhancement for dnsmasq addresses urgent vulnerabilities and fortifies openSUSE Leap 15.1 against existing risks.
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.

Topics%20covered

Topics Covered

security advisory critical issue update patch important DNS attack dnsmasq openSUSE system patching

Patch

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 15.1:

zypper in -t patch openSUSE-2021-129=1

Package List

- openSUSE Leap 15.1 (i586 x86_64):

dnsmasq-2.78-lp151.5.6.1

dnsmasq-debuginfo-2.78-lp151.5.6.1

dnsmasq-debugsource-2.78-lp151.5.6.1

dnsmasq-utils-2.78-lp151.5.6.1

dnsmasq-utils-debuginfo-2.78-lp151.5.6.1

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0129-1
Rating: important
Affected Products: openSUSE Leap 15.1 .

Topics%20covered

Topics Covered

security advisory critical issue update patch important DNS attack dnsmasq openSUSE system patching

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