RedHat: RHSA-2020-0921:01 Important: libvncserver security update
Summary
LibVNCServer is a C library that enables you to implement VNC server
functionality into own programs.
Security Fix(es):
* libvncserver: HandleCursorShape() integer overflow resulting in
heap-based buffer overflow (CVE-2019-15690)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2019-15690 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source:
libvncserver-0.9.11-9.el8_0.2.src.rpm
ppc64le:
libvncserver-0.9.11-9.el8_0.2.ppc64le.rpm
libvncserver-debuginfo-0.9.11-9.el8_0.2.ppc64le.rpm
libvncserver-debugsource-0.9.11-9.el8_0.2.ppc64le.rpm
x86_64:
libvncserver-0.9.11-9.el8_0.2.i686.rpm
libvncserver-0.9.11-9.el8_0.2.x86_64.rpm
libvncserver-debuginfo-0.9.11-9.el8_0.2.i686.rpm
libvncserver-debuginfo-0.9.11-9.el8_0.2.x86_64.rpm
libvncserver-debugsource-0.9.11-9.el8_0.2.i686.rpm
libvncserver-debugsource-0.9.11-9.el8_0.2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for libvncserver is now available for Red Hat Enterprise Linux8.0 Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream E4S (v. 8.0) - ppc64le, x86_64
Bugs Fixed
1811948 - CVE-2019-15690 libvncserver: HandleCursorShape() integer overflow resulting in heap-based buffer overflow