Denial of Service Vulnerability in Unisys ClearPath MCP Systems
CVE-2017-5872

7.5HIGH

Key Information:

Vendor

Unisys

Status
Clearpath Mcp
Vendor
CVE Published:
10 March 2017

What is CVE-2017-5872?

The TCP/IP networking module in Unisys ClearPath MCP systems is susceptible to a Denial of Service vulnerability when running a TLS 1.2 service. Attackers can exploit this weakness by sending a specially crafted client hello message with a signature_algorithms extension that exceeds the limits specified in RFC 5246. This manipulation can result in a full memory dump and disrupt network connectivity, affecting the system's performance and availability.

References

https://public.support.unisys.com/common/public/vulnerabi...
x_refsource_CONFIRM
http://www.securityfocus.com/bid/96782
vdb-entryx_refsource_BID

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.