vulnerability
Ubuntu: (CVE-2017-6542): putty vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Mar 27, 2017 | Nov 19, 2024 | Aug 18, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Mar 27, 2017
Added
Nov 19, 2024
Modified
Aug 18, 2025
Description
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.
Solution
ubuntu-upgrade-putty
References
- CVE-2017-6542
- https://attackerkb.com/topics/CVE-2017-6542
- CWE-119
- URL-http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html
- URL-https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8
- URL-https://www.cve.org/CVERecord?id=CVE-2017-6542
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