Description
An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
References (7)
Core 7
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
Patch, Third Party Advisory x_refsource_misc
https://github.com/LibVNC/libvncserver/commit/57433015f856cc12753378254ce4f1c78f5d9c7b
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4434-1/
Patch, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
Scores
CVSS v3
7.5
EPSS
0.0227
EPSS Percentile
84.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (15)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04 (2 CPE variants)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
18.10
canonical/ubuntu_linux
20.04
debian/debian_linux
8.0
debian/debian_linux
9.0
libvnc_project/libvncserver
< 0.9.12
opensuse/leap
15.2
siemens/simatic_itc1500_firmware
3.0.0.0 - 3.2.1.0
... and 5 more
Published
Jun 17, 2020
Tracked Since
Feb 18, 2026