CVE-2019-9894

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.

Puede ocurrir una sobrescritura de memoria desencadenable remotamente en el intercambio de claves RSA en PuTTY, en versiones anteriores a la 0.71, antes de la verificación de claves del host.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-03-20 CVE Reserved
2019-03-21 CVE Published
2024-08-04 CVE Updated
2024-10-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-320: Key Management Errors

CAPEC

References (9)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2019/04/msg00023.html	Mailing List
https://seclists.org/bugtraq/2019/Apr/6	Mailing List
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://security.netapp.com/advisory/ntap-20190404-0001	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES	2023-11-07
https://www.debian.org/security/2019/dsa-4423	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Putty Search vendor "Putty"		Putty Search vendor "Putty" for product "Putty"				< 0.71 Search vendor "Putty" for product "Putty" and version " < 0.71"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				28 Search vendor "Fedoraproject" for product "Fedora" and version "28"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Netapp Search vendor "Netapp"		Oncommand Unified Manager Search vendor "Netapp" for product "Oncommand Unified Manager"				-		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected