openSUSE Security Update: Security update for ovmf
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Announcement ID: openSUSE-SU-2019:0348-1
Rating: important
References: #1127820 #1127821 #1127822
Cross-References: CVE-2018-12178 CVE-2018-12180 CVE-2018-3630

Affected Products:
openSUSE Leap 42.3
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An update that fixes three vulnerabilities is now available.

Description:

This update for ovmf fixes the following issues:

Security issues fixed:

- CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could
lead to memory read/write overrun (bsc#1127820).
- CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS
packet (bsc#1127821).
- CVE-2018-3630: Fixed a logic error in FV parsing which could allow a
local attacker to bypass the chain of trust checks (bsc#1127822).

This update was imported from the SUSE:SLE-12-SP3: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 42.3:

zypper in -t patch openSUSE-2019-348=1



Package List:

- openSUSE Leap 42.3 (i586 x86_64):

ovmf-2017+git1492060560.b6d11d7c46-16.1
ovmf-tools-2017+git1492060560.b6d11d7c46-16.1

- openSUSE Leap 42.3 (x86_64):

qemu-ovmf-x86_64-debug-2017+git1492060560.b6d11d7c46-16.1

- openSUSE Leap 42.3 (noarch):

qemu-ovmf-ia32-2017+git1492060560.b6d11d7c46-16.1
qemu-ovmf-x86_64-2017+git1492060560.b6d11d7c46-16.1


References:

https://www.suse.com/security/cve/CVE-2018-12178.html
https://www.suse.com/security/cve/CVE-2018-12180.html
https://www.suse.com/security/cve/CVE-2018-3630.html
https://bugzilla.suse.com/1127820
https://bugzilla.suse.com/1127821
https://bugzilla.suse.com/1127822