PT-2017-17144 · Simon Tatham+1 · Putty+1

Tim Kosse · Published 2017-02-23 · Updated 2024-06-15 · CVE-2017-6542

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions PuTTY versions prior to 0.68

Description The issue allows remote attackers to have an unspecified impact via a large length value in an agent protocol message. This is achieved by leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which triggers a buffer overflow.

Recommendations For versions prior to 0.68, update to version 0.68 or later to resolve the issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2017-1204

CVE-2017-6542

MGASA-2017-0093

OPENSUSE-SU-2024:11201-1

Affected Products

Alt Linux

Putty

References · 26

• 🔥 https://exploit-db.com/exploits/42137 · Exploit
• http://chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html · Vendor Advisory
• https://security.gentoo.org/glsa/201703-03 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-6542 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-6542 · Security Note
• https://security.gentoo.org/glsa/201706-09 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-6542 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0093.html · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2017-6542 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6542 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-6542 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-6542 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11201-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0093 · Vendor Advisory