CVE-2019-3859

Published: Mar 21, 2019Modified: Dec 18, 2025

9.1

Vector

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

Exploitability: 3.9 / Impact: 5.2

Source: NVD

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Affected (8)

Products: Libssh2: Libssh2 · Fedoraproject: Fedora · Debian: Debian Linux · +2 more

Show all products

Libssh2: Libssh2 · Fedoraproject: Fedora · Debian: Debian Linux · Netapp: Ontap Select Deploy Administration Utility · Opensuse: Leap

1 product

1 product

1 product

1 product

Ontap Select Deploy Administration Utility

Opensuse

1 product

Leap

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Libssh2 Libssh2	Before 1.8.1

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 28
Fedoraproject Fedora	Version 29

Configuration C

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Netapp Ontap Select Deploy Administration Utility	All versions

Configuration E

2 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.0
Opensuse Leap	Version 42.3

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (40)

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

Source: secalert@redhat.com

Mailing ListThird Party Advisory

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

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

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

Source: secalert@redhat.com

PatchThird Party AdvisoryVDB Entry

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

Source: secalert@redhat.com

Mailing ListPatchThird Party Advisory

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

Source: secalert@redhat.com

Third Party AdvisoryVDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859

Source: secalert@redhat.com

Issue TrackingPatchThird Party Advisory

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

Source: secalert@redhat.com

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

Mailing ListThird Party Advisory

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

Source: secalert@redhat.com

Mailing ListPatchThird Party Advisory

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

Source: secalert@redhat.com

Third Party Advisory

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

Source: secalert@redhat.com

Third Party Advisory

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

Source: secalert@redhat.com

Third Party Advisory

https://www.libssh2.org/CVE-2019-3859.html

Source: secalert@redhat.com

Vendor Advisory

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Source: secalert@redhat.com

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