Vulnerability Details : CVE-2016-9941
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.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2016-9941
- cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9941
1.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9941
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2016-9941
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9941
-
http://www.securityfocus.com/bid/95170
LibVNCServer Multiple Heap Based Buffer Overflow Vulnerabilities
-
http://www.debian.org/security/2017/dsa-3753
Debian -- Security Information -- DSA-3753-1 libvncserver
-
https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
Release LibVNCServer-0.9.11 · LibVNC/libvncserver · GitHub
-
https://security.gentoo.org/glsa/201702-24
LibVNCServer/LibVNCClient: Multiple vulnerabilities (GLSA 201702-24) — Gentoo security
-
https://usn.ubuntu.com/4587-1/
USN-4587-1: iTALC vulnerabilities | Ubuntu security notices | Ubuntu
-
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
[SECURITY] [DLA 1979-1] italc security update
-
https://github.com/LibVNC/libvncserver/pull/137
Fix two heap buffer overflows by atx · Pull Request #137 · LibVNC/libvncserver · GitHub
Jump to