PT-2019-19924 · Simon Tatham+1 · Putty+1

Published 2019-03-21 · Updated 2022-04-05 · CVE-2019-9896

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PuTTY versions prior to 0.71

Description The issue allows local attackers to hijack the application by placing a malicious help file in the same directory as the executable.

Recommendations For versions prior to 0.71, update to version 0.71 or later to resolve the issue.

Exploit

Fix

Uncontrolled Search Path Element

Weakness Enumeration

CWE-427

Related Identifiers

CVE-2019-9896

OPENSUSE-SU-2019:1113-1

OPENSUSE-SU-2019:1123-1

OPENSUSE-SU-2019_1113-1

Affected Products

Putty

Suse

References · 17

• 🔥 https://github.com/yasinyilmaz/vuln-chm-hijack · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2019:1123-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:1113-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-9896 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-9896 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html · Vendor Advisory
• https://suse.com/security/cve/CVE-2019-9894 · Note
• https://suse.com/security/cve/CVE-2019-9898 · Note
• https://lists.opensuse.org/archives/list/[e-mail]/thread/LGXV73N3N22CMABVEV6TXW4UHE243SBS/#LGXV73N3N22CMABVEV6TXW4UHE243SBS · Note
• https://bugzilla.suse.com/1129633 · Note
• https://suse.com/security/cve/CVE-2019-9897 · Note
• https://suse.com/security/cve/CVE-2019-9895 · Note
• https://lists.opensuse.org/archives/list/[e-mail]/thread/CA2Q4AK5GQEYMMPK6PCTZM6P7CCCHSSH/#CA2Q4AK5GQEYMMPK6PCTZM6P7CCCHSSH · Note
• https://chiark.greenend.org.uk/~sgtatham/putty/changes.html · Note