VDB
CVE-2017-6542
CVE-2017-6542
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
EPSS 21.82% · 97.5th percentile
Risk Scores
CVSS 3.0
9.800000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
21.82%
97.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | putty | 0, 0.65-2, 0.66-1 |
Timeline
- Mar 27, 2017 CVE Published
- Jun 8, 2017 PoC Published
- Apr 14, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 14, 2023 EPSS Score
- Jul 18, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2017-6542 third-party-advisory
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html third-party-advisory
- https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2017-6542 third-party-advisory