National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-3859 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.1 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H (V3.0 legend)
Impact Score: 5.2
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html Mailing List Third Party Advisory
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html Patch Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2019/03/18/3 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/107485 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ Mailing List Release Notes Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/ Release Notes Third Party Advisory
https://seclists.org/bugtraq/2019/Apr/25 Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Mar/25 Mailing List Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20190327-0005/ Third Party Advisory
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767 Third Party Advisory
https://www.debian.org/security/2019/dsa-4431 Third Party Advisory
https://www.libssh2.org/CVE-2019-3859.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:libssh2:libssh2
     Show Matching CPE(s)
Up to (excluding)
1.8.1

Configuration 2 ( hide )
 cpe:/o:fedoraproject:fedora:28
     Show Matching CPE(s)
 cpe:/o:fedoraproject:fedora:29
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:/o:debian:debian_linux:8.0
     Show Matching CPE(s)
 cpe:/o:debian:debian_linux:9.0
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:/a:netapp:ontap_select_deploy_administration_utility:-
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:/o:opensuse:leap:15.0
     Show Matching CPE(s)
 cpe:/o:opensuse:leap:42.3
     Show Matching CPE(s)


Change History

18 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-3859
NVD Published Date:
03/21/2019
NVD Last Modified:
07/25/2019