CVE-2019-3856
Libssh2 Remote Code Execution Through Integer Overflow
Description
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
INFO
Published Date :
March 25, 2019, 7:29 p.m.
Last Modified :
Nov. 7, 2023, 3:10 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2019-3856 has a 6 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2019-3856
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-3856.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
Dockerfile Makefile Shell Go Smarty Open Policy Agent Mustache
None
Dockerfile Makefile
None
Dockerfile Makefile Shell Go Smarty Open Policy Agent
None
Dockerfile Makefile Shell Go Smarty
A Simple and Comprehensive Vulnerability Scanner for Containers, Suitable for CI for Web
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-3856 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-3856 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ -
Modified Analysis by [email protected]
Oct. 15, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://access.redhat.com/errata/RHSA-2019:1175 No Types Assigned https://access.redhat.com/errata/RHSA-2019:1175 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:1652 No Types Assigned https://access.redhat.com/errata/RHSA-2019:1652 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:1791 No Types Assigned https://access.redhat.com/errata/RHSA-2019:1791 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:1943 No Types Assigned https://access.redhat.com/errata/RHSA-2019:1943 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:2399 No Types Assigned https://access.redhat.com/errata/RHSA-2019:2399 Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ Mailing List, Third Party Advisory Changed Reference Type https://seclists.org/bugtraq/2019/Apr/25 No Types Assigned https://seclists.org/bugtraq/2019/Apr/25 Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2019/dsa-4431 No Types Assigned https://www.debian.org/security/2019/dsa-4431 Third Party Advisory Changed Reference Type https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html No Types Assigned https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch, Third Party Advisory Added CWE NIST CWE-787 Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:* *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 15, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 16, 2019
Action Type Old Value New Value Added Reference https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE Red Hat, Inc. CWE-190 Added CWE Red Hat, Inc. CWE-787 -
CVE Modified by [email protected]
Aug. 07, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:2399 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 30, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:1943 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 16, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:1791 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 02, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:1652 [No Types Assigned] -
CVE Modified by [email protected]
May. 14, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:1175 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 15, 2019
Action Type Old Value New Value Added Reference https://www.debian.org/security/2019/dsa-4431 [No Types Assigned] Added Reference https://seclists.org/bugtraq/2019/Apr/25 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 05, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 02, 2019
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html Mailing List, Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0679 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0679 Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 02, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 28, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 28, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:0679 [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 28, 2019
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20190327-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20190327-0005/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 27, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20190327-0005/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 26, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3856 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3856 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://www.libssh2.org/CVE-2019-3856.html No Types Assigned https://www.libssh2.org/CVE-2019-3856.html Patch, Vendor Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Third Party Advisory Added CWE CWE-190 Added CPE Configuration OR *cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:* versions up to (excluding) 1.8.1 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 26, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-3856 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-3856
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.33 }} -0.02%
score
0.70292
percentile