cbcvebase.
CVE-2019-3863
published 2019-03-25

CVE-2019-3863: A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages…

high8.8CVSS 3.0
AVNACLPRNUIRSUCHIHAH
A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.

Affected

17 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
debianlibssh2< libssh2 1.8.0-2.1 (bookworm)libssh2 1.8.0-2.1 (bookworm)
libssh2libssh2< 1.8.11.8.1
libssh2libssh2>= 0 < 1.8.0-2.11.8.0-2.1
libssh2libssh2>= 0 < 1.8.0-2.11.8.0-2.1
libssh2libssh2>= 0 < 1.8.0-2.11.8.0-2.1
libssh2libssh2>= 0 < 1.8.0-2.11.8.0-2.1
libssh2libssh2>= 0 < 1.5.0-2ubuntu0.1+esm11.5.0-2ubuntu0.1+esm1
opensuseleap
opensuseleap
redhatenterprise_linux_desktop
redhatenterprise_linux_server
redhatenterprise_linux_server_aus
redhatenterprise_linux_server_eus
redhatenterprise_linux_server_tus
redhatenterprise_linux_workstation
the_libssh2_projectlibssh2

CVSS provenance

nvdv3.08.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH