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Vulnerability Details : CVE-2019-3863

A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error.
Publish Date : 2019-03-25 Last Update Date : 2019-05-14
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 787

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:0679: libssh2 security update (Important) oval:com.redhat.rhsa:def:20190679 unix
RHSA-2019:1175: virt:rhel security update (Important) oval:com.redhat.rhsa:def:20191175 unix
RHSA-2019:1652: libssh2 security update (Important) oval:com.redhat.rhsa:def:20191652 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-3863

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
2 Application Libssh2 Libssh2 * * * * Version Details Vulnerabilities
3 Application Netapp Ontap Select Deploy Administration Utility - * * * Version Details Vulnerabilities
4 OS Opensuse Leap 15.0 * * * Version Details Vulnerabilities
5 OS Opensuse Leap 42.3 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Libssh2 Libssh2 1
Netapp Ontap Select Deploy Administration Utility 1
Opensuse Leap 2
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2019-3863

https://access.redhat.com/errata/RHSA-2019:2399
REDHAT RHSA-2019:2399
https://access.redhat.com/errata/RHSA-2019:1943
REDHAT RHSA-2019:1943
https://access.redhat.com/errata/RHSA-2019:1652
REDHAT RHSA-2019:1652
https://access.redhat.com/errata/RHSA-2019:1791
REDHAT RHSA-2019:1791
https://access.redhat.com/errata/RHSA-2019:1175
REDHAT RHSA-2019:1175
https://www.debian.org/security/2019/dsa-4431
DEBIAN DSA-4431
https://seclists.org/bugtraq/2019/Apr/25
BUGTRAQ 20190415 [SECURITY] [DSA 4431-1] libssh2 security update
https://lists.fedoraproject.org/archives/list/[email protected]/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
FEDORA FEDORA-2019-3348cb4934
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
SUSE openSUSE-SU-2019:1109
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
SUSE openSUSE-SU-2019:1075
https://access.redhat.com/errata/RHSA-2019:0679
REDHAT RHSA-2019:0679
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://security.netapp.com/advisory/ntap-20190327-0005/ CONFIRM
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
MLIST [debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update
https://www.libssh2.org/CVE-2019-3863.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863 CONFIRM

- Metasploit Modules Related To CVE-2019-3863

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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