9.1
CRITICAL
CVE-2019-3861
Libssh2 Out of Bounds Read Remote Denial of Service
Description

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.

INFO

Published Date :

March 25, 2019, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 4:42 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-3861 has a 8 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-2019-3861 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.

ID Vendor Product Action
1 Debian debian_linux
1 Opensuse leap
1 Netapp ontap_select_deploy_administration_utility
1 Libssh2 libssh2
: Total Affected Vendor : 4 | Products : 4
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-2019-3861.

URL 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 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2136
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
https://seclists.org/bugtraq/2019/Apr/25
https://security.netapp.com/advisory/ntap-20190327-0005/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4431
https://www.libssh2.org/CVE-2019-3861.html Patch Vendor Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
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 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2136
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
https://seclists.org/bugtraq/2019/Apr/25
https://security.netapp.com/advisory/ntap-20190327-0005/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4431
https://www.libssh2.org/CVE-2019-3861.html Patch Vendor Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

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).

Profile Photo
vincent-deng/veracode-container-security-finding-parser

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 11 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.
Profile Photo
Mohzeela/external-secret

None

Updated: 2 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 3, 2022, 7:11 p.m. This repo has been linked 61 different CVEs too.
Profile Photo
umahari/security

None

Dockerfile Makefile Shell Go Smarty Open Policy Agent Mustache

Updated: 3 years, 9 months ago
0 stars 1 fork 1 watcher
Born at : Feb. 25, 2021, 9:59 a.m. This repo has been linked 61 different CVEs too.
Profile Photo
siddharthraopotukuchi/trivy

None

Dockerfile Makefile

Updated: 2 years, 4 months ago
1 stars 0 fork 0 watcher
Born at : Dec. 15, 2020, 7:02 p.m. This repo has been linked 61 different CVEs too.
Profile Photo
t31m0/Vulnerability-Scanner-for-Containers

None

Dockerfile Makefile Shell Go Smarty Open Policy Agent

Updated: 2 weeks, 2 days ago
1 stars 0 fork 0 watcher
Born at : Sept. 21, 2020, 7:37 a.m. This repo has been linked 61 different CVEs too.
Profile Photo
simiyo/trivy

None

Dockerfile Makefile Shell Go Smarty

Updated: 4 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : June 6, 2020, 2:22 a.m. This repo has been linked 54 different CVEs too.
Profile Photo
KorayAgaya/TrivyWeb

A Simple and Comprehensive Vulnerability Scanner for Containers, Suitable for CI for Web

Python HTML CSS JavaScript

Updated: 4 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Aug. 2, 2019, 8:26 a.m. This repo has been linked 51 different CVEs too.
Profile Photo
revl-ca/scan-docker-image

None

Shell

Updated: 5 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : July 18, 2019, 10:49 p.m. This repo has been linked 124 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-3861 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-3861 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
    Added Reference https://access.redhat.com/errata/RHSA-2019:2136
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861
    Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
    Added Reference https://seclists.org/bugtraq/2019/Apr/25
    Added Reference https://security.netapp.com/advisory/ntap-20190327-0005/
    Added Reference https://www.debian.org/security/2019/dsa-4431
    Added Reference https://www.libssh2.org/CVE-2019-3861.html
    Added Reference https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
  • 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/
  • 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:L/I:L/A:L
    Added CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Aug. 06, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2136 [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 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:*:*:*:*:*:*:*
  • 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]
  • 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 (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://www.libssh2.org/CVE-2019-3861.html No Types Assigned https://www.libssh2.org/CVE-2019-3861.html Patch, Vendor Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861 Issue Tracking, Patch, Third Party 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-125
    Added CPE Configuration OR *cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:* versions from (including) 0.15 up to (including) 1.8.0
    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]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-3861 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-2019-3861 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.68 }} -0.01%

score

0.87373

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: