CVE Vulnerability

CVE-2019-3859

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.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.libssh2.org/CVE-2019-3859.html Vendor Advisory
https://seclists.org/bugtraq/2019/Mar/25 Mailing List Patch
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859 Issue Tracking Patch
http://www.securityfocus.com/bid/107485 Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2019/03/18/3 Mailing List Patch
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/ Release Notes Third Party Advisory
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20190327-0005/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html Mailing List 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@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ Mailing List Release Notes
https://www.debian.org/security/2019/dsa-4431 Third Party Advisory
https://seclists.org/bugtraq/2019/Apr/25 Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Configurations

Configuration 1

cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Information

Published : 2019-03-21 04:01

Updated : 2019-07-25 09:15

NVD link : CVE-2019-3859

Mitre link : CVE-2019-3859

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read