CVE-2017-6542
9.8
CRITICAL
CVSS 3.1
EPSS 30.6%
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.
How to fix CVE-2017-6542
To remediate CVE-2017-6542, upgrade the affected package to a fixed version below.
- Alpine/putty—upgrade to 0.68-r0 or later
- —upgrade to 0.67-3 or later
Is CVE-2017-6542 being exploited?
Moderate — EPSS is 30.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 0.68-r0
- from 0, < 0.67-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |