CVE-2019-3856

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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	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-2019:0679	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1175	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1652	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1791	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1943	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2399	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3856	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	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20190327-0005/	Third Party Advisory
https://www.debian.org/security/2019/dsa-4431	Third Party Advisory
https://www.libssh2.org/CVE-2019-3856.html	Patch Vendor Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	Patch Third Party Advisory
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-2019:0679	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1175	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1652	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1791	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1943	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2399	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3856	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	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20190327-0005/	Third Party Advisory
https://www.debian.org/security/2019/dsa-4431	Third Party Advisory
https://www.libssh2.org/CVE-2019-3856.html	Patch Vendor Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:o:opensuse:leap:15.0:::::::*
	cpe:2.3:o:opensuse:leap:42.3:::::::*

Configuration 5 (hide)

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:::::::*

Configuration 6 (hide)

cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*

Configuration 7 (hide)

OR	cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:::::::*
	cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:::::::*

History

21 Nov 2024, 04:42

Information

Published : 2019-03-25 19:29

Updated : 2024-11-21 04:42

NVD link : CVE-2019-3856

Mitre link : CVE-2019-3856

CVE.ORG link : CVE-2019-3856

JSON object : View

Products Affected

netapp

ontap_select_deploy_administration_utility

libssh2

libssh2

redhat

enterprise_linux_desktop
enterprise_linux_server_eus
enterprise_linux_workstation
enterprise_linux_server_tus
enterprise_linux_server
enterprise_linux_server_aus
enterprise_linux

debian

debian_linux

oracle

peoplesoft_enterprise_peopletools

opensuse

leap

fedoraproject

fedora

CWE

CWE-190

Integer Overflow or Wraparound

CWE-787

Out-of-bounds Write

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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."}, {"lang": "es", "value": "Se ha descubierto un error de desbordamiento de enteros que podr\u00eda conducir a una escritura fuera de l\u00edmites en libssh2, en versiones anteriores a la 1.8.1, en la forma en la que se analizan las peticiones de comandos de teclado. Un atacante remoto que comprometa un servidor SSH podr\u00eda ser capaz de ejecutar c\u00f3digo en el sistema del cliente cuando un usuario se conecta al servidor."}], "lastModified": "2024-11-21T04:42:43.640", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23E074D8-B71C-4C02-9383-F419F9C6EFB2", "versionEndExcluding": "1.8.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9"}, {"criteria": "cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F65DAB0-3DAD-49FF-BC73-3581CC3D5BF3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*", "vulnerable": true, "matchCriteriaId": "3AA08768-75AF-4791-B229-AE938C780959"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF77CDCF-B9C9-427D-B2BF-36650FB2148C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DC1BD7B7-6D88-42B8-878E-F1318CA5FCAF"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0A735B4-4F3C-416B-8C08-9CB21BAD2889"}, {"criteria": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E1E416B-920B-49A0-9523-382898C2979D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}

8.8 /10