CVE-2017-6542

high-risk
Published 2017-03-27

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.

Do I need to act?

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22.2% chance of exploitation in next 30 days
EPSS score — higher than 78% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 21/34 · High
Exposure 9/34 · Low