Detections
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openSUSE Security Update : LibVNCServer (openSUSE-2018-326)
critical Nessus Plugin ID 108743
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Synopsis
The remote openSUSE host is missing a security update.Description
LibVNCServer was updated to fix two security issues.These security issues were fixed :
- CVE-2018-7225: Missing input sanitization inside rfbserver.c rfbProcessClientNormalMessage() (bsc#1081493).
- CVE-2016-9942: Heap-based buffer overflow in ultra.c allowed remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions (bsc#1017712).
- CVE-2016-9941: Heap-based buffer overflow in rfbproto.c allowed remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area (bsc#1017711). This update was imported from the SUSE:SLE-12:Update update project.
Solution
Update the affected LibVNCServer packages.See Also
https://bugzilla.opensuse.org/show_bug.cgi?id=1017711
Plugin Details
Severity: Critical
ID: 108743
File Name: openSUSE-2018-326.nasl
Version: 1.4
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 3/30/2018
Updated: 11/22/2024
Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2018-7225
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:opensuse:libvncserver-devel, p-cpe:/a:novell:opensuse:libvncclient0-debuginfo, p-cpe:/a:novell:opensuse:libvncserver0, p-cpe:/a:novell:opensuse:linuxvnc, p-cpe:/a:novell:opensuse:libvncserver-debugsource, p-cpe:/a:novell:opensuse:libvncserver0-debuginfo, cpe:/o:novell:opensuse:42.3, p-cpe:/a:novell:opensuse:libvncclient0, p-cpe:/a:novell:opensuse:linuxvnc-debuginfo
Required KB Items: Host/cpu, Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/29/2018