CVE-2019-3855

libssh2: Integer overflow in transport read resulting in out of bounds write

Published Mar 21, 2019 CVSS 3.1 · 8.8 High EPSS 9.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1730-1 libssh2 security update
Debian DLA Debian DLA DLA-1730-3 libssh2 regression update
Debian DSA Debian DSA DSA-4431-1 libssh2 security update
Ubuntu USN Ubuntu USN USN-5308-1 libssh2 vulnerabilities
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html cve-icon cve-icon
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html cve-icon cve-icon
http://seclists.org/fulldisclosure/2019/Sep/42 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/03/18/3 cve-icon cve-icon
http://www.securityfocus.com/bid/107485 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:0679 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1175 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1652 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1791 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1943 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2399 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855 cve-icon cve-icon
https://cert-portal.siemens.com/productcert/html/ssa-398330.html cve-icon
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-3855 cve-icon
https://seclists.org/bugtraq/2019/Apr/25 cve-icon cve-icon
https://seclists.org/bugtraq/2019/Mar/25 cve-icon cve-icon
https://seclists.org/bugtraq/2019/Sep/49 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20190327-0005/ cve-icon cve-icon
https://support.apple.com/kb/HT210609 cve-icon cve-icon
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-3855 cve-icon
https://www.debian.org/security/2019/dsa-4431 cve-icon cve-icon
https://www.libssh2.org/CVE-2019-3855.html cve-icon cve-icon cve-icon
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html cve-icon cve-icon
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.12496}

epss

{'score': 0.13214}