CVE-2019-9895 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Putty

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.9%
top 24.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
PuttyDebian PuttyFedoraproject Fedora
Timeline
PublishedMar 21
Latest updateMay 14

Description

In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

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

Also affects: Fedora 28, 29

🔴Vulnerability Details

2
GHSA
GHSA-cgq7-vh72-wc5f: In PuTTY versions before 0↗2022-05-14
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OSV
CVE-2019-9895: In PuTTY versions before 0↗2019-03-21
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📋Vendor Advisories

1
Debian
CVE-2019-9895: putty - In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow ex...↗2019
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💬Community

3
Bugzilla
CVE-2019-9894 CVE-2019-9895 CVE-2019-9898 CVE-2019-9897 putty: multiple vulnerabilities↗2019-03-19
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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
▶