CVE-2019-3862

HIGH

Libssh2 < 1.8.1 - Denial of Service

Title source: rule

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

References (18)

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2019/03/18/3

[Mailing List, Patch, Third Party Advisory] https://seclists.org/bugtraq/2019/Mar/25

[Vendor Advisory] https://www.libssh2.org/CVE-2019-3862.html

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862

[Patch, Third Party Advisory, VDB Entry] http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/107485

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/

[Third Party Advisory] https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20190327-0005/

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html

[Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4431

[Mailing List] https://seclists.org/bugtraq/2019/Apr/25

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1884

[Vendor Advisory] https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

[Vendor Advisory] https://www.oracle.com/security-alerts/cpujan2020.html

Scores

CVSS v3 7.3

EPSS 0.0656

EPSS Percentile 91.2%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE

CWE-125 CWE-130

Status published

Products (5)

debian/debian_linux 8.0

fedoraproject/fedora 29

libssh2/libssh2 < 1.8.1

netapp/ontap_select_deploy_administration_utility

opensuse/leap 42.3

Published Mar 21, 2019

Tracked Since Feb 18, 2026