Bug 52110 – (ES 4.3) libvncserver

Bug 52110 - (ES 4.3) libvncserver


Summary:	(ES 4.3) libvncserver

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 4.3
Hardware:	All other

Importance:	P5 normal (vote)
Target Milestone:	---
Assigned To:	Quality Assurance
QA Contact:	Felix Botner

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Blocks:
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Reported:	2020-09-20 21:56 CEST by Erik Damrose
Modified:	2020-11-30 12:22 CET (History)
CC List:	1 user (show)

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Description Erik Damrose

2020-09-20 21:56:32 CEST

Provide libvncserver version 0.9.11+dfsg-1.3~deb9u5 for UCS 4.3
First imported at bug #51925

This update addresses the following issues:
* "ConnectClientToUnixSock()" buffer overflow (CVE-2019-20839)
* libvncserver/rfbregion.c has a NULL pointer dereference (CVE-2020-14397)
* byte-aligned data is accessed through uint32_t pointers in
  libvncclient/rfbproto.c (CVE-2020-14399)
* byte-aligned data is accessed through uint16_t pointers in
  libvncserver/translate.c (CVE-2020-14400)
* libvncserver/scale.c has a pixel_value integer overflow (CVE-2020-14401)
* libvncserver/corre.c allows out-of-bounds access via encodings
  (CVE-2020-14402)
* libvncserver/hextile.c allows out-of-bounds access via encodings
  (CVE-2020-14403)
* libvncserver/rre.c allows out-of-bounds access via encodings
  (CVE-2020-14404)
* libvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405)

Comment 1 Felix Botner

2020-11-19 15:10:13 CET

libvncserver1:
  Installiert:           0.9.11+dfsg-1.3~deb9u5
  Installationskandidat: 0.9.11+dfsg-1.3~deb9u5
  Versionstabelle:
 *** 0.9.11+dfsg-1.3~deb9u5 500
        500 http://192.168.0.10/build2 ucs_4.3-0-extsec4.3/amd64/ Packages

Comment 2 Erik Damrose

2020-11-30 12:22:52 CET

CLOSED: Released as extsec4.3 update