CVE-2019-3855
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.
- Score
- CVSS 3.1 8.8 High
- Status
- Modified - secalert@redhat.com
- Published
- 2019-03-21
- Last modified
- 2026-10-14
- Weaknesses
- CWE-190, CWE-787
Affected products
- Xcode (Apple)
- Debian Linux (Debian)
- Fedora (Fedoraproject)
- Libssh2 (Libssh2)
- Ontap Select Deploy Administration Utility (Netapp)
- Leap (Opensuse)
- Peoplesoft Enterprise Peopletools (Oracle)
- Enterprise Linux (Redhat)
- Enterprise Linux Desktop (Redhat)
- Enterprise Linux Server (Redhat)
- Enterprise Linux Server Aus (Redhat)
- Enterprise Linux Server Eus (Redhat)
- Enterprise Linux Server Tus (Redhat)
- Enterprise Linux Workstation (Redhat)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Libssh2 (The Libssh2 Project)
References
- http://www.openwall.com/lists/oss-security/2019/03/18/3
- https://seclists.org/bugtraq/2019/Mar/25
- https://www.libssh2.org/CVE-2019-3855.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855
- http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
- http://www.securityfocus.com/bid/107485
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMF…
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://access.redhat.com/errata/RHSA-2019:0679
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKE…
- https://www.debian.org/security/2019/dsa-4431
- https://seclists.org/bugtraq/2019/Apr/25
- 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5K…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLI…
- https://access.redhat.com/errata/RHSA-2019:2399
- https://support.apple.com/kb/HT210609
- https://seclists.org/bugtraq/2019/Sep/49
- http://seclists.org/fulldisclosure/2019/Sep/42
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
