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CVE-2017-5872

UnknownEPSS 1.54%

Last modified

CVE-2017-5872 is a vulnerability of currently unknown severity. The TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 57.1 before 57.152, 58.1 before 58.142, or 59.1 before 59.172, when running a TLS 1.2 service, allows remote attackers to cause a denial of service (network connectivity disruption) via a client hello with a signature_algorithms extension above those defined in RFC 5246, which triggers a full memory dump.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

The TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 57.1 before 57.152, 58.1 before 58.142, or 59.1 before 59.172, when running a TLS 1.2 service, allows remote attackers to cause a denial of service (network connectivity disruption) via a client hello with a signature_algorithms extension above those defined in RFC 5246, which triggers a full memory dump.

Metrics

EPSS Probability
1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
UnisysClearpath Mcp57.1
UnisysClearpath Mcp58.1
UnisysClearpath Mcp59.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-5872?
The TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 57.1 before 57.152, 58.1 before 58.142, or 59.1 before 59.172, when running a TLS 1.2 service, allows remote attackers to cause a denial of service (network connectivity disruption) via a client hello with a signature_algorithms extension above those defined in RFC 5246, which triggers a full memory dump.
How severe is CVE-2017-5872?
Severity scoring for CVE-2017-5872 is pending analysis. The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5872?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST