CVE-2019-9894

Published: Mar 21, 2019Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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

Affected (7)

Products: Putty: Putty · Fedoraproject: Fedora · Debian: Debian Linux · +2 more

Show all products

Putty: Putty · Fedoraproject: Fedora · Debian: Debian Linux · Netapp: Oncommand Unified Manager · Opensuse: Leap

1 product

1 product

1 product

1 product

Oncommand Unified Manager

Opensuse

1 product

Leap

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Putty Putty	Before 0.71

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 28
Fedoraproject Fedora	Version 29

Configuration C

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Netapp Oncommand Unified Manager	All versions

Configuration E

1 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.0

Related CWEs

CWE-320

References (18)

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2019/04/msg00023.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/

Source: cve@mitre.org

https://seclists.org/bugtraq/2019/Apr/6

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://security.netapp.com/advisory/ntap-20190404-0001/

Source: cve@mitre.org

PatchThird Party Advisory

https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html

Source: cve@mitre.org

Third Party Advisory

https://www.debian.org/security/2019/dsa-4423

Source: cve@mitre.org

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html