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Test ID:1.3.6.1.4.1.25623.1.1.4.2020.1922.1
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2020:1922-1)
Summary:The remote host is missing an update for the 'LibVNCServer' package(s) announced via the SUSE-SU-2020:1922-1 advisory.
Description:Summary:
The remote host is missing an update for the 'LibVNCServer' package(s) announced via the SUSE-SU-2020:1922-1 advisory.

Vulnerability Insight:
This update for LibVNCServer fixes the following issues:

security update

added patches fix CVE-2018-21247 [bsc#1173874], uninitialized memory
contents are vulnerable to Information leak
+ LibVNCServer-CVE-2018-21247.patch fix CVE-2019-20839 [bsc#1173875],
buffer overflow in ConnectClientToUnixSock()
+ LibVNCServer-CVE-2019-20839.patch fix CVE-2019-20840 [bsc#1173876],
unaligned accesses in hybiReadAndDecode can lead to denial of service
+ LibVNCServer-CVE-2019-20840.patch fix CVE-2020-14398 [bsc#1173880],
improperly closed TCP connection causes an infinite loop in
libvncclient/sockets.c
+ LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700],
NULL pointer dereference in libvncserver/rfbregion.c
+ LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743],
Byte-aligned data is accessed through uint32_t pointers in
libvncclient/rfbproto.c.
+ LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691],
Byte-aligned data is accessed through uint16_t pointers in
libvncserver/translate.c.
+ LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694],
potential integer overflows in libvncserver/scale.c
+ LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701],
out-of-bounds access via encodings.
+ LibVNCServer-CVE-2020-14402,14403,14404.patch fix CVE-2017-18922
[bsc#1173477], preauth buffer overwrite

Affected Software/OS:
'LibVNCServer' package(s) on SUSE Linux Enterprise Workstation Extension 15-SP2, SUSE Linux Enterprise Workstation Extension 15-SP1, SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2, SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1

Solution:
Please install the updated package(s).

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-18922
Common Vulnerability Exposure (CVE) ID: CVE-2018-21247
Common Vulnerability Exposure (CVE) ID: CVE-2019-20839
Common Vulnerability Exposure (CVE) ID: CVE-2019-20840
Common Vulnerability Exposure (CVE) ID: CVE-2020-14397
Common Vulnerability Exposure (CVE) ID: CVE-2020-14398
Common Vulnerability Exposure (CVE) ID: CVE-2020-14399
Common Vulnerability Exposure (CVE) ID: CVE-2020-14400
Common Vulnerability Exposure (CVE) ID: CVE-2020-14401
Common Vulnerability Exposure (CVE) ID: CVE-2020-14402
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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