CVE-2019-3855

Description

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. 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://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

https://www.libssh2.org/CVE-2019-3855.html

https://www.debian.org/security/2019/dsa-4431

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767

https://support.apple.com/kb/HT210609

https://security.netapp.com/advisory/ntap-20190327-0005/

https://seclists.org/bugtraq/2019/Sep/49

https://seclists.org/bugtraq/2019/Mar/25

https://seclists.org/bugtraq/2019/Apr/25

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/

https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855

https://access.redhat.com/errata/RHSA-2019:2399

https://access.redhat.com/errata/RHSA-2019:1943

https://access.redhat.com/errata/RHSA-2019:1791

https://access.redhat.com/errata/RHSA-2019:1652

https://access.redhat.com/errata/RHSA-2019:1175

https://access.redhat.com/errata/RHSA-2019:0679

http://www.securityfocus.com/bid/107485

http://www.openwall.com/lists/oss-security/2019/03/18/3

http://seclists.org/fulldisclosure/2019/Sep/42

http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3