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openSUSE Leap 15.0: 2018:4240-1 Moderate: ovmf Buffer Overflow Issues

opensuse
Calendar Grey December 22, 2018
Dist Opensuse Esm H88
A recent update for openSUSE has been released to tackle 6 security vulnerabilities, which include concerns related to privilege escalation and buffer overflow risks associated with ovmf.
An update that fixes 6 vulnerabilities is now available.

Description

This update for ovmf fixes the following issues:

Security issues fixed:

- CVE-2018-3613: Fixed AuthVariable Timestamp zeroing issue on

APPEND_WRITE (bsc#1115916).

- CVE-2017-5731: Fixed privilege escalation via processing of malformed

files in TianoCompress.c (bsc#1115917).

- CVE-2017-5732: Fixed privilege escalation via processing of malformed

files in BaseUefiDecompressLib.c (bsc#1115917).

- CVE-2017-5733: Fixed privilege escalation via heap-based buffer overflow

in MakeTable() function (bsc#1115917).

- CVE-2017-5734: Fixed privilege escalation via stack-based buffer

overflow in MakeTable() function (bsc#1115917).

- CVE-2017-5735: Fixed privilege escalation via heap-based buffer overflow

in Decode() function (bsc#1115917).

Non security issues fixed:

- Fixed an issue with the default owner of PK/KEK/db/dbx and make the

auto-enrollment only happen at the very first time. (bsc#1117998)

This update was imported...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory moderate buffer overflow privilege escalation patch openSUSE ovmf

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 15.0:

zypper in -t patch openSUSE-2018-1590=1

Package List

- openSUSE Leap 15.0 (i586 x86_64):

ovmf-2017+git1510945757.b2662641d5-lp150.4.9.1

ovmf-tools-2017+git1510945757.b2662641d5-lp150.4.9.1

- openSUSE Leap 15.0 (x86_64):

qemu-ovmf-x86_64-debug-2017+git1510945757.b2662641d5-lp150.4.9.1

- openSUSE Leap 15.0 (noarch):

qemu-ovmf-ia32-2017+git1510945757.b2662641d5-lp150.4.9.1

qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-lp150.4.9.1

References

https://www.suse.com/security/cve/CVE-2017-5731.html

https://www.suse.com/security/cve/CVE-2017-5732.html

https://www.suse.com/security/cve/CVE-2017-5733.html

https://https://www.suse.com/security/cve/CVE-2017-5734.html

https://www.suse.com/security/cve/CVE-2017-5735.html

https://www.suse.com/security/cve/CVE-2018-3613.html

https://bugzilla.suse.com/1115916

https://bugzilla.suse.com/1115917

https://bugzilla.suse.com/1117998

--

Announcement ID: openSUSE-SU-2018:4240-1
Rating: moderate
Affected Products: openSUSE Leap 15.0

Topics%20covered

Topics Covered

security advisory moderate buffer overflow privilege escalation patch openSUSE ovmf

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