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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.54% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- unisys/clearpath mcp
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/96782Third Party Advisory, VDB Entry
- https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=42Vendor Advisory
- http://www.securityfocus.com/bid/96782Third Party Advisory, VDB Entry
- https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=42Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.