Vulnerability Description
A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Putty | Putty | < 0.71 |
| Fedoraproject | Fedora | 28 |
| Debian | Debian Linux | 8.0 |
| Netapp | Oncommand Unified Manager | - |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00023.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Apr/6Mailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0001/PatchThird Party Advisory
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.htmlThird Party Advisory
- https://www.debian.org/security/2019/dsa-4423Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00023.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Apr/6Mailing ListThird Party Advisory
FAQ
What is CVE-2019-9894?
CVE-2019-9894 is a vulnerability with a CVSS score of 7.5 (HIGH). A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.
How severe is CVE-2019-9894?
CVE-2019-9894 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-9894?
Check the references section above for vendor advisories and patch information. Affected products include: Putty Putty, Fedoraproject Fedora, Debian Debian Linux, Netapp Oncommand Unified Manager, Opensuse Leap.