Dell EMC RSA BSAFE Crypto-J/RSA BSAFE SSL-J up to 6.2.3 PKCS #1 Bleichenbacher cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Dell EMC RSA BSAFE Crypto-J and RSA BSAFE SSL-J up to 6.2.3. The affected element is an unknown function of the component PKCS #1 Handler. The manipulation leads to cryptographic issue (Bleichenbacher). This vulnerability is traded as CVE-2018-11070. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Dell EMC RSA BSAFE Crypto-J and RSA BSAFE SSL-J up to 6.2.3 and classified as critical. This issue affects some unknown processing of the component PKCS #1 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:

RSA BSAFE Crypto-J versions prior to 6.2.4 and RSA BSAFE SSL-J versions prior to 6.2.4 contain a Covert Timing Channel vulnerability during PKCS #1 unpadding operations, also known as a Bleichenbacher attack. A remote attacker may be able to recover a RSA key.

The bug was discovered 09/05/2018. The weakness was shared 09/11/2018 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2018-11070 since 05/14/2018. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 6.2.4 eliminates this vulnerability.

The entries VDB-123898 and VDB-123897 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Dell): 🔍

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: 🔍

Upgrade: RSA BSAFE Crypto-J/RSA BSAFE SSL-J 6.2.4

Timelineinfo

05/14/2018 🔍
09/05/2018 +114 days 🔍
09/11/2018 +5 days 🔍
09/11/2018 +0 days 🔍
09/12/2018 +1 days 🔍
05/08/2023 +1699 days 🔍

Sourcesinfo

Vendor: dellemc.com

Advisory: DSA-2018-150
Status: Not defined

CVE: CVE-2018-11070 (🔍)
GCVE (CVE): GCVE-0-2018-11070
GCVE (VulDB): GCVE-100-123899
SecurityTracker: 1041614

See also: 🔍

Entryinfo

Created: 09/12/2018 09:35
Updated: 05/08/2023 16:53
Changes: 09/12/2018 09:35 (62), 03/22/2020 20:13 (1), 05/08/2023 16:46 (5), 05/08/2023 16:53 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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