CVE-2019-17069
HIGH severity · CVSS 7.5 · Use-after-free
7.5CVSS HIGH
Summary
PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00020.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00021.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00030.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00016.html
- https://lists.tartarus.org/pipermail/putty-announce/2019/000029.htmlAdvisory
- https://security.netapp.com/advisory/ntap-20191127-0003/Advisory