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Vulnerability Details : CVE-2019-3861

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length 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.
Publish Date : 2019-03-25 Last Update Date : 2019-04-15
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 125

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:2136: libssh2 security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20192136 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-2019-3861

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
2 Application Libssh2 Libssh2 0.15 Version Details Vulnerabilities
3 Application Libssh2 Libssh2 0.16 Version Details Vulnerabilities
4 Application Libssh2 Libssh2 0.17 Version Details Vulnerabilities
5 Application Libssh2 Libssh2 0.18 Version Details Vulnerabilities
6 Application Libssh2 Libssh2 1.0 Version Details Vulnerabilities
7 Application Libssh2 Libssh2 1.1 Version Details Vulnerabilities
8 Application Libssh2 Libssh2 1.2 Version Details Vulnerabilities
9 Application Libssh2 Libssh2 1.2.1 Version Details Vulnerabilities
10 Application Libssh2 Libssh2 1.2.2 Version Details Vulnerabilities
11 Application Libssh2 Libssh2 1.2.3 Version Details Vulnerabilities
12 Application Libssh2 Libssh2 1.2.4 Version Details Vulnerabilities
13 Application Libssh2 Libssh2 1.2.5 Version Details Vulnerabilities
14 Application Libssh2 Libssh2 1.2.6 Version Details Vulnerabilities
15 Application Libssh2 Libssh2 1.2.7 Version Details Vulnerabilities
16 Application Libssh2 Libssh2 1.2.8 Version Details Vulnerabilities
17 Application Libssh2 Libssh2 1.2.9 Version Details Vulnerabilities
18 Application Libssh2 Libssh2 1.3.0 Version Details Vulnerabilities
19 Application Libssh2 Libssh2 1.4.0 Version Details Vulnerabilities
20 Application Libssh2 Libssh2 1.4.1 Version Details Vulnerabilities
21 Application Libssh2 Libssh2 1.4.2 Version Details Vulnerabilities
22 Application Libssh2 Libssh2 1.4.3 Version Details Vulnerabilities
23 Application Libssh2 Libssh2 1.5.0 Version Details Vulnerabilities
24 Application Libssh2 Libssh2 1.6.0 Version Details Vulnerabilities
25 Application Libssh2 Libssh2 1.7.0 Version Details Vulnerabilities
26 Application Libssh2 Libssh2 1.8.0 Version Details Vulnerabilities
27 Application Netapp Ontap Select Deploy Administration Utility - Version Details Vulnerabilities
28 OS Opensuse Leap 15.0 Version Details Vulnerabilities
29 OS Opensuse Leap 42.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Libssh2 Libssh2 25
Netapp Ontap Select Deploy Administration Utility 1
Opensuse Leap 2

- References For CVE-2019-3861 CONFIRM
MLIST [debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update[email protected]/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
FEDORA FEDORA-2019-3348cb4934
BUGTRAQ 20190415 [SECURITY] [DSA 4431-1] libssh2 security update
SUSE openSUSE-SU-2019:1075
SUSE openSUSE-SU-2019:1109 CONFIRM

- Metasploit Modules Related To CVE-2019-3861

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

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