Alpine: multiple libvncserver packages: security update to 0.9.10-r1 (deprecated)

critical Tenable Cloud Security Plugin ID 400904

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows 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. (CVE-2016-9941)

- Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows 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. (CVE-2016-9942)

Plugin Details

Severity: Critical

ID: 400904

Version: Revision 1.22

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/16/2023

Updated: 1/17/2024

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2016-9942

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2017

Vulnerability Publication Date: 12/31/2016

Reference Information

CVE: CVE-2016-9941, CVE-2016-9942

BID: 95170

Detections

Analytics