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openSUSE Leap 15.1- Important: tigervnc Security Update

opensuse
Calendar Grey January 21, 2020
Dist Opensuse Esm H88
An important patch for openSUSE addresses several local privilege escalation vulnerabilities in tigervnc. Make sure to protect your device.
An update that fixes 5 vulnerabilities is now available.

Description

This update for tigervnc fixes the following issues:

- CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack

memory in ZRLEDecoder (bsc#1159856).

- CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode

(bsc#1160250).

- CVE-2019-15693: Fixed a heap-based buffer overflow in

TightDecoder::FilterGradient (bsc#1159858).

- CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper

error handling in processing MemOutStream (bsc#1160251).

- CVE-2019-15695: Fixed a stack-based buffer overflow, which could be

triggered from CMsgReader::readSetCursor (bsc#1159860).

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

Topics%20covered

Topics Covered

security advisory buffer overflow important openSUSE tigervnc

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-2020-87=1

Package List

- openSUSE Leap 15.1 (noarch):

tigervnc-x11vnc-1.9.0-lp151.4.3.1

xorg-x11-Xvnc-java-1.9.0-lp151.4.3.1

xorg-x11-Xvnc-novnc-1.9.0-lp151.4.3.1

- openSUSE Leap 15.1 (x86_64):

libXvnc-devel-1.9.0-lp151.4.3.1

libXvnc1-1.9.0-lp151.4.3.1

libXvnc1-debuginfo-1.9.0-lp151.4.3.1

tigervnc-1.9.0-lp151.4.3.1

tigervnc-debuginfo-1.9.0-lp151.4.3.1

tigervnc-debugsource-1.9.0-lp151.4.3.1

xorg-x11-Xvnc-1.9.0-lp151.4.3.1

xorg-x11-Xvnc-debuginfo-1.9.0-lp151.4.3.1

xorg-x11-Xvnc-module-1.9.0-lp151.4.3.1

xorg-x11-Xvnc-module-debuginfo-1.9.0-lp151.4.3.1

References

https://www.suse.com/security/cve/CVE-2019-15691.html

https://www.suse.com/security/cve/CVE-2019-15692.html

https://www.suse.com/security/cve/CVE-2019-15693.html

https://www.suse.com/security/cve/CVE-2019-15694.html

https://www.suse.com/security/cve/CVE-2019-15695.html

https://bugzilla.suse.com/1159856

https://bugzilla.suse.com/1159858

https://bugzilla.suse.com/1159860

https://bugzilla.suse.com/1160250

https://bugzilla.suse.com/1160251

--

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2020:0087-1
Rating: important
Affected Products: openSUSE Leap 15.1

Topics%20covered

Topics Covered

security advisory buffer overflow important openSUSE tigervnc

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