Buffer Overflow Vulnerability in PuTTY Prior to Version 0.71
CVE-2019-9895

9.8CRITICAL

Key Information:

Vendor

Putty

Status
Putty
Vendor
CVE Published:
21 March 2019

What is CVE-2019-9895?

A buffer overflow vulnerability exists in PuTTY for Unix before version 0.71, which can be triggered remotely during server-to-client forwarding. This flaw can allow attackers to execute arbitrary code or crash the application, posing a significant risk to system integrity and security. Users are advised to update to the latest version to mitigate this potential risk.

References

https://www.chiark.greenend.org.uk/~sgtatham/putty/change...
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.