Home/CVE/A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.
CVE

CVE-2019-9894

A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.

A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.

HIGH · CVSS 7.5 EPSS 0.00657
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

5
putty< 0.71
fedoraproject fedoraall versions
debian linuxall versions
netapp oncommand unified managerall versions
opensuse leapall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Mar 2019 · 04:01 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2019:1113-1
suse-csafopenSUSE-SU-2019:1123-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
https://seclists.org/bugtraq/2019/Apr/6Mailing ListThird Party Advisory
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