Denial-of-Service Vulnerability in PuTTY Terminal Client
CVE-2019-9897

7.5HIGH

Key Information:

Vendor

Putty

Status
Putty
Vendor
CVE Published:
21 March 2019

What is CVE-2019-9897?

The PuTTY terminal client, in versions prior to 0.71, is susceptible to multiple denial-of-service attacks. These vulnerabilities can be exploited by sending specially crafted input to the terminal, causing it to become unresponsive or crash. Users are urged to upgrade to the latest version to mitigate these risks and ensure system reliability.

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:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2019-9897 : Denial-of-Service Vulnerability in PuTTY Terminal Client