Ubuntu
libvncserver package

libvncserver 0.9.12+dfsg-9ubuntu0.2 source package in Ubuntu

Changelog

libvncserver (0.9.12+dfsg-9ubuntu0.2) focal-security; urgency=medium

  * SECURITY UPDATE: buffer overflow via a long socket filename
    - debian/patches/CVE-2019-20839.patch: Error out if the unix socket name
      would overflow in libvncclient/sockets.c.
    - CVE-2019-20839
  * SECURITY UPDATE: NULL pointer dereference in anonTLS mode
    - debian/patches/CVE-2020-14396.patch: Do not dereference NULL cred pointer
      in libvncclient/tls_openssl.c if in anonTLS mode.
    - CVE-2020-14396
  * SECURITY UPDATE: NULL pointer dereference in region clipping span routine
    - debian/patches/CVE-2020-14397.patch: Add NULL pointer dereference checks
      to libvncserver/rfbregion.c.
    - CVE-2020-14397
  * SECURITY UPDATE: infinite loop due to improperly closed TCP connection
    - debian/patches/CVE-2020-14398.patch: Close the connection after a certain
      number of retries in libvncclient/sockets.c.
    - CVE-2020-14398
  * SECURITY UPDATE: byte-aligned data is accessed through uint32_t pointers
    - debian/patches/CVE-2020-14399.patch: Ensure a proper stack alignment in
      libvncclient/rfbproto.c.
    - CVE-2020-14399
  * SECURITY UPDATE: byte-aligned data is accessed through uint16_t pointers
    - debian/patches/CVE-2020-14400.patch: Ensure a proper stack alignment in
      libvncserver/translate.c.
    - CVE-2020-14400
  * SECURITY UPDATE: integer overflow in bitwise operation on pixel_value
    - debian/patches/CVE-2020-14401.patch: Cast variable to 64 bit before
      performing bitwise operation.
    - CVE-2020-14401
  * SECURITY UPDATE: out-of-bounds access via encodings
    - debian/patches/CVE-2020-14402_CVE-2020-14403_CVE-2020-14404.patch:
      Check bounds before accessing array value in libvncserver/corre.c,
      libvncserver/hextile.c and libvncserver/rre.c
    - CVE-2020-14402
    - CVE-2020-14403
    - CVE-2020-14404
  * SECURITY UPDATE: unchecked TextChat allocation size
    - debian/patches/CVE-2020-14405.patch: Limit max TextChat size in
      libvncclient/rfbproto.c.
    - CVE-2020-14405

 -- Avital Ostromich <email address hidden>  Fri, 10 Jul 2020 15:42:39 -0400

Upload details

Uploaded by:
Avital Ostromich
Uploaded to:
Focal
Original maintainer:
Ubuntu Developers
Architectures:
any
Section:
libs
Urgency:
Medium Urgency

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Series Pocket Published Component Section

Downloads

File Size SHA-256 Checksum
libvncserver_0.9.12+dfsg.orig.tar.xz 396.7 KiB 58c878cb9d1b26754076db4326e37032f51cfa25da4852049036e055c54f9fb9
libvncserver_0.9.12+dfsg-9ubuntu0.2.debian.tar.xz 21.9 KiB 002fca6dd7f02a68a016c6d15e7cccad54a35c544b1e2f8191e3faa4e2126569
libvncserver_0.9.12+dfsg-9ubuntu0.2.dsc 2.2 KiB a2a01454b60ee08225fadc2e94ee5391ee7c5190e1c0dc8378379891f66eb246

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Binary packages built by this source

libvncclient1: API to write one's own VNC server - client library

 LibVNCServer makes writing a VNC server (or more correctly, a program
 exporting a framebuffer via the Remote Frame Buffer protocol) easy. It hides
 the programmer from the tedious task of managing clients and compression.
 .
 This package provides the client library.

libvncclient1-dbgsym: debug symbols for libvncclient1
libvncserver-dev: API to write one's own VNC server - development files

 LibVNCServer makes writing a VNC server (or more correctly, a program
 exporting a framebuffer via the Remote Frame Buffer protocol) easy. It hides
 the programmer from the tedious task of managing clients and compression.
 .
 This is the development package which contains headers and static libraries
 for libvncserver.

libvncserver1: API to write one's own VNC server

 LibVNCServer makes writing a VNC server (or more correctly, a program
 exporting a framebuffer via the Remote Frame Buffer protocol) easy. It hides
 the programmer from the tedious task of managing clients and compression.
 .
 This package provides the server library.

libvncserver1-dbgsym: debug symbols for libvncserver1