CVE-2019-9894 — Putty vulnerability

CWE-3208 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.9%
top 24.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
PuttyDebian PuttyDebian Linux+2 more
Timeline
PublishedMar 21
Latest updateMay 14

Description

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

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶NVDputty/putty< 0.71
▶debiandebian/putty< putty 0.70-6 (bookworm)
▶Debianputty/putty< 0.70-6+3
▶NVDopensuse/leap15.0

Also affects: Debian Linux 8.0, 9.0, Fedora 28, 29

Patches

Patch: security.netapp.com ↗Patch: security.netapp.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-pwmv-rrj5-fgmx: A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0↗2022-05-14
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OSV
CVE-2019-9894: A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0↗2019-03-21
▶
CVEList
CVE-2019-9894: A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0↗2019-03-21
▶

📋Vendor Advisories

1
Debian
CVE-2019-9894: putty - A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71...↗2019
▶

💬Community

3
Bugzilla
CVE-2019-9894 CVE-2019-9895 CVE-2019-9898 CVE-2019-9897 putty: multiple vulnerabilities↗2019-03-19
▶
Bugzilla
CVE-2019-9894 CVE-2019-9895 CVE-2019-9898 CVE-2019-9897 putty: multiple vulnerabilities [epel-all]↗2019-03-19
▶
Bugzilla
CVE-2019-9894 CVE-2019-9895 CVE-2019-9898 CVE-2019-9897 putty: multiple vulnerabilities [fedora-all]↗2019-03-19
▶