CVE-2019-9895: In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding

Critical severity · published Mar 21, 2019

CVE-2019-9895

In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding

9.8

CVSS

2.5%

EPSS

On KEV

Description

In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.5% · higher than 85% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Fedora · Fedoraproject

28; 29 · source: NVD

Putty · Putty

before 0.71 · source: NVD

Affected product

Fedora

Fedoraproject

All Fedora CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-9895

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-9895

lists.opensuse.org

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

lists.opensuse.org

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

lists.fedoraproject.org

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

lists.fedoraproject.org

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

seclists.org

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

security.netapp.com

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