Unisys Clearpath MCP TLS Bleichenbacher cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Unisys Clearpath MCP and classified as critical. This impacts an unknown function of the component TLS Handler. The manipulation leads to cryptographic issue (Bleichenbacher). This vulnerability is uniquely identified as CVE-2018-5762. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Unisys Clearpath MCP (the affected version unknown) and classified as critical. This issue affects an unknown part of the component TLS Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability (Bleichenbacher). Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 01/17/2018. The weakness was disclosed 02/26/2018 (Website). The advisory is shared at public.support.unisys.com. The identification of this vulnerability is CVE-2018-5762 since 01/17/2018. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 40 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Bleichenbacher
Class: Cryptographic issue / Bleichenbacher
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/17/2018 🔍
01/17/2018 +0 days 🔍
02/26/2018 +40 days 🔍
02/26/2018 +0 days 🔍
02/27/2018 +1 days 🔍
01/08/2020 +680 days 🔍

Sourcesinfo

Advisory: public.support.unisys.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5762 (🔍)
GCVE (CVE): GCVE-0-2018-5762
GCVE (VulDB): GCVE-100-113837

Entryinfo

Created: 02/27/2018 07:44
Updated: 01/08/2020 16:38
Changes: 02/27/2018 07:44 (58), 01/08/2020 16:38 (2)
Complete: 🔍
Cache ID: 216::103

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