RedHat: RHSA-2019-0059:01 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: Heap out-of-bounds write in rfbserver.c in
rfbProcessFileTransferReadBuffer() allows for potential code execution
(CVE-2018-15127)
For more details about the security issue(s), including the impact, a CVSS
score, 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-2018-15127 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
libvncserver-0.9.9-13.el7_6.src.rpm
x86_64:
libvncserver-0.9.9-13.el7_6.i686.rpm
libvncserver-0.9.9-13.el7_6.x86_64.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.i686.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
libvncserver-debuginfo-0.9.9-13.el7_6.i686.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.x86_64.rpm
libvncserver-devel-0.9.9-13.el7_6.i686.rpm
libvncserver-devel-0.9.9-13.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
libvncserver-0.9.9-13.el7_6.src.rpm
ppc64le:
libvncserver-0.9.9-13.el7_6.ppc64le.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.ppc64le.rpm
x86_64:
libvncserver-0.9.9-13.el7_6.i686.rpm
libvncserver-0.9.9-13.el7_6.x86_64.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.i686.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
libvncserver-0.9.9-13.el7_6.src.rpm
aarch64:
libvncserver-0.9.9-13.el7_6.aarch64.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.aarch64.rpm
ppc64le:
libvncserver-0.9.9-13.el7_6.ppc64le.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.ppc64le.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64le:
libvncserver-debuginfo-0.9.9-13.el7_6.ppc64le.rpm
libvncserver-devel-0.9.9-13.el7_6.ppc64le.rpm
x86_64:
libvncserver-debuginfo-0.9.9-13.el7_6.i686.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.x86_64.rpm
libvncserver-devel-0.9.9-13.el7_6.i686.rpm
libvncserver-devel-0.9.9-13.el7_6.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
libvncserver-debuginfo-0.9.9-13.el7_6.aarch64.rpm
libvncserver-devel-0.9.9-13.el7_6.aarch64.rpm
ppc64le:
libvncserver-debuginfo-0.9.9-13.el7_6.ppc64le.rpm
libvncserver-devel-0.9.9-13.el7_6.ppc64le.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
libvncserver-0.9.9-13.el7_6.src.rpm
x86_64:
libvncserver-0.9.9-13.el7_6.i686.rpm
libvncserver-0.9.9-13.el7_6.x86_64.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.i686.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
libvncserver-debuginfo-0.9.9-13.el7_6.i686.rpm
libvncserver-debuginfo-0.9.9-13.el7_6.x86_64.rpm
libvncserver-devel-0.9.9-13.el7_6.i686.rpm
libvncserver-devel-0.9.9-13.el7_6.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 Linux 7.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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le
Bugs Fixed
1661102 - CVE-2018-15127 libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution