Vulnerability Details CVE-2016-9942
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- http://www.debian.org/security/2017/dsa-3753
- http://www.securityfocus.com/bid/95170
- https://github.com/LibVNC/libvncserver/pull/137
- https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://security.gentoo.org/glsa/201702-24
- https://usn.ubuntu.com/4587-1/
- http://www.debian.org/security/2017/dsa-3753
- http://www.securityfocus.com/bid/95170
- https://github.com/LibVNC/libvncserver/pull/137
- https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://security.gentoo.org/glsa/201702-24
- https://usn.ubuntu.com/4587-1/
Products affected by CVE-2016-9942
-
cpe:2.3:a:libvncserver_project:libvncserver:0.9.10