CVE-2018-5762 — The TLS implementation in the TCP/IP networking module in Unisys ClearPath MCP s

The TLS implementation in the TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 58.1 before 58.160, 59.1 before 059.1a.17 (IC #17), and 60.0 before 60.044 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding

01What is this vulnerability?

The TLS implementation in the TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 58.1 before 58.160, 59.1 before 059.1a.17 (IC #17), and 60.0 before 60.044 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a ROBOT attack.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-02-26T15:00:00.000Z
• Last modified: 2024-08-05T05:40:51.214Z

09References

• public.support.unisys.com — https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.asp…