CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
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 issues 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.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: BleichenbacherClass: Cryptographic issues / Bleichenbacher
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/17/2018 🔍01/17/2018 🔍
02/26/2018 🔍
02/26/2018 🔍
02/27/2018 🔍
01/08/2020 🔍
Sources
Advisory: public.support.unisys.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2018-5762 (🔍)
Entry
Created: 02/27/2018 07:44Updated: 01/08/2020 16:38
Changes: 02/27/2018 07:44 (58), 01/08/2020 16:38 (2)
Complete: 🔍
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