Vulnerability-Lookup

BDU:2021-06331 (CVE-2019-3856)

Vulnerability from fstec – Published: 2021-12-24 – Updated: 2021-12-24 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции userauth_keyboard_interactive() в компоненте userauth.c библиотеки libssh2, позволяющая нарушителю выполнить произвольный код

Summary

Уязвимость функции userauth_keyboard_interactive() в компоненте userauth.c библиотеки libssh2 связана с целочисленным переполнением. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код

Severity

9.3 (High) CVSS 2.0


                      
                        AV:N/AC:M/Au:N/C:C/I:C/A:C

7.5 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-190 - Целочисленное переполнение или циклический сдвиг
CWE-787 - Запись за границами буфера

Aliases

CVE-2019-3856

References

9 references

URL
https://www.libssh2.org/CVE-2019-3856.html
https://access.redhat.com/security/cve/CVE-2019-3856
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://www.debian.org/security/2019/dsa-4431
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
https://www.oracle.com/security-alerts/cpuoct2019.html
https://security.netapp.com/advisory/ntap-20190327-0005/
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/m…
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/m…

Impacted products

7 products from 7 vendors

Vendors

Red Hat, Inc., Сообщество свободного программного обеспечения, Novell Inc., Fedora Project, Oracle Corp., NetApp Inc.

Products

Red Hat Enterprise Linux, Debian GNU/Linux, OpenSUSE Leap, Fedora, PeopleSoft Enterprise PeopleTools, libssh2, ONTAP Select Deploy

Versions

6 (Red Hat Enterprise Linux), 7 (Red Hat Enterprise Linux), 9 (Debian GNU/Linux), 42.3 (OpenSUSE Leap), 28 (Fedora), 8.56 (PeopleSoft Enterprise PeopleTools), 8.57 (PeopleSoft Enterprise PeopleTools), 8 (Red Hat Enterprise Linux), 15.0 (OpenSUSE Leap), 8 (Debian GNU/Linux), 7.4 Extended Update Support (Red Hat Enterprise Linux), 7.5 Extended Update Support (Red Hat Enterprise Linux), до 1.8.1 (libssh2), - (ONTAP Select Deploy), 7.3 Advanced Update Support (Red Hat Enterprise Linux), 7.3 Telco Extended Update Support (Red Hat Enterprise Linux), 7.3 Update Services for SAP Solutions (Red Hat Enterprise Linux)

Product types

Operating system, Application software

Platforms

Red Hat, Inc. Red Hat Enterprise Linux 6, Inc. Red Hat Enterprise Linux 7, Сообщество свободного программного обеспечения Debian GNU/Linux 9, Novell Inc. OpenSUSE Leap 42.3, Fedora Project Fedora 28, Inc. Red Hat Enterprise Linux 8, Novell Inc. OpenSUSE Leap 15.0, Сообщество свободного программного обеспечения Debian GNU/Linux 8, Inc. Red Hat Enterprise Linux 7.4 Extended Update Support, Inc. Red Hat Enterprise Linux 7.5 Extended Update Support, Inc. Red Hat Enterprise Linux 7.3 Advanced Update Support, Inc. Red Hat Enterprise Linux 7.3 Telco Extended Update Support, Inc. Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions

Mitigations

Использование рекомендаций: Для libssh2: https://www.libssh2.org/CVE-2019-3856.html Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/CVE-2019-3856 Для Fedora: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ Для Debian GNU/Linux: https://www.debian.org/security/2019/dsa-4431 https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Для программных продуктов Oracle Corp.: https://www.oracle.com/security-alerts/cpuoct2019.html Для программных продуктов NetApp Inc.: https://security.netapp.com/advisory/ntap-20190327-0005/ Для программных продуктов Novell Inc.: https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/ZD25U3ME4BCNPHHDUMEWX4A2M5KJM34P/ https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/RT3KLE6OCATVJTFMDJJYTQWCFMJMLES6/

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Red Hat, Inc., \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, Novell Inc., Fedora Project, Oracle Corp., NetApp Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "6 (Red Hat Enterprise Linux), 7 (Red Hat Enterprise Linux), 9 (Debian GNU/Linux), 42.3 (OpenSUSE Leap), 28 (Fedora), 8.56 (PeopleSoft Enterprise PeopleTools), 8.57 (PeopleSoft Enterprise PeopleTools), 8 (Red Hat Enterprise Linux), 15.0 (OpenSUSE Leap), 8 (Debian GNU/Linux), 7.4 Extended Update Support (Red Hat Enterprise Linux), 7.5 Extended Update Support (Red Hat Enterprise Linux), \u0434\u043e 1.8.1 (libssh2), - (ONTAP Select Deploy), 7.3 Advanced Update Support (Red Hat Enterprise Linux), 7.3 Telco Extended Update Support (Red Hat Enterprise Linux), 7.3 Update Services for SAP Solutions (Red Hat Enterprise Linux)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f libssh2:\nhttps://www.libssh2.org/CVE-2019-3856.html\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://access.redhat.com/security/cve/CVE-2019-3856\n\n\u0414\u043b\u044f Fedora:\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://www.debian.org/security/2019/dsa-4431\nhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.html\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Oracle Corp.:\nhttps://www.oracle.com/security-alerts/cpuoct2019.html\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 NetApp Inc.:\nhttps://security.netapp.com/advisory/ntap-20190327-0005/\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Novell Inc.:\nhttps://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/ZD25U3ME4BCNPHHDUMEWX4A2M5KJM34P/\nhttps://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/RT3KLE6OCATVJTFMDJJYTQWCFMJMLES6/",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "25.03.2019",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "24.12.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "24.12.2021",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2021-06331",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2019-3856",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Red Hat Enterprise Linux, Debian GNU/Linux, OpenSUSE Leap, Fedora, PeopleSoft Enterprise PeopleTools, libssh2, ONTAP Select Deploy",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Red Hat, Inc. Red Hat Enterprise Linux 6 , Red Hat, Inc. Red Hat Enterprise Linux 7 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 9 , Novell Inc. OpenSUSE Leap 42.3 , Fedora Project Fedora 28 , Red Hat, Inc. Red Hat Enterprise Linux 8 , Novell Inc. OpenSUSE Leap 15.0 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 8 , Red Hat, Inc. Red Hat Enterprise Linux 7.4 Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.5 Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.3 Advanced Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.3 Telco Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 userauth_keyboard_interactive() \u0432 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0435 userauth.c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libssh2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0426\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u043e\u0435 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0441\u0434\u0432\u0438\u0433 (CWE-190), \u0417\u0430\u043f\u0438\u0441\u044c \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 (CWE-787)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 userauth_keyboard_interactive() \u0432 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0435 userauth.c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libssh2 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u043c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://www.libssh2.org/CVE-2019-3856.html\nhttps://access.redhat.com/security/cve/CVE-2019-3856\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/\nhttps://www.debian.org/security/2019/dsa-4431\nhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.html\nhttps://www.oracle.com/security-alerts/cpuoct2019.html\nhttps://security.netapp.com/advisory/ntap-20190327-0005/\nhttps://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/ZD25U3ME4BCNPHHDUMEWX4A2M5KJM34P/\nhttps://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/RT3KLE6OCATVJTFMDJJYTQWCFMJMLES6/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-190, CWE-787",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9,3)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

CVE-2019-3856 (GCVE-0-2019-3856)

Vulnerability from cvelistv5 – Published: 2019-03-25 18:31 – Updated: 2025-04-23 19:48

Summary

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.

Severity

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:20 UTC

CWE

Assigner

redhat redhat root

References

16 references

URL	Tags
https://www.libssh2.org/CVE-2019-3856.html	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019032…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:0679	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2019/dsa-4431	vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Apr/25	mailing-listx_refsource_BUGTRAQ
https://access.redhat.com/errata/RHSA-2019:1175	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1652	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1791	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1943	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2399	vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
The libssh2 Project	libssh2	Affected: 1.8.1

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2021-06331 (CVE-2019-3856)

CVE-2019-3856 (GCVE-0-2019-3856)

Tags

Sightings

Nomenclature

Related by attack behaviour