CVE-2017-6542

The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.

CVSS v3.0 NVD

9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

21.82% chance of exploitation in the next 30 days, 98th percentile

Published

2017-03-27

Updated

2024-08-05

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/42137

Security advisories

• http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html
• http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html
• http://www.securityfocus.com/bid/97156
• https://security.gentoo.org/glsa/201703-03

References

• CVE Record
• NVD entry