CVE-2019-3863: high-severity vulnerability in The libssh2 Project libssh2
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 3.4%
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
The libssh2 Project · libssh2Related CVEs — The libssh2 Project libssh2
In the same product, most dangerous first.
References
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlhttps://access.redhat.com/errata/RHSA-2019:0679https://access.redhat.com/errata/RHSA-2019:1175https://access.redhat.com/errata/RHSA-2019:1652https://access.redhat.com/errata/RHSA-2019:1791https://access.redhat.com/errata/RHSA-2019:1943https://access.redhat.com/errata/RHSA-2019:2399https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863https://cert-portal.siemens.com/productcert/html/ssa-398330.htmlhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/