CVE-2019-3857: high-severity vulnerability in The libssh2 Project libssh2
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 6.1%
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
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-2019-3857https://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/