CVE-2019-3857

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CVE-2019-3857

Summary:

Details: 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.

References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/, http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html, https://access.redhat.com/errata/RHSA-2019:0679, https://access.redhat.com/errata/RHSA-2019:1175, https://access.redhat.com/errata/RHSA-2019:1652, https://access.redhat.com/errata/RHSA-2019:1791, https://access.redhat.com/errata/RHSA-2019:1943, https://access.redhat.com/errata/RHSA-2019:2399, https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html, https://seclists.org/bugtraq/2019/Apr/25, https://security.netapp.com/advisory/ntap-20190327-0005/, https://www.debian.org/security/2019/dsa-4431, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857, https://www.libssh2.org/CVE-2019-3857.html, https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html