CVE-2019-9894

high

Description

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

References

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

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2019-03-21

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High