RIPE NCC RPKI Validator up to 3.1-2020.07.06.14.28 CRL Revoked Certificate certificate validation ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in RIPE NCC RPKI Validator up to 3.1-2020.07.06.14.28. It has been rated as critical. Affected by this issue is some unknown functionality of the component CRL Handler. The manipulation as part of Revoked Certificate leads to certificate validation. This vulnerability is referenced as CVE-2020-16162. Remote exploitation of the attack is possible. No exploit is available. It is still unclear if this vulnerability genuinely exists.

Detailsinfo

A vulnerability was found in RIPE NCC RPKI Validator up to 3.1-2020.07.06.14.28 and classified as critical. This issue affects an unknown function of the component CRL Handler. The manipulation as part of a Revoked Certificate leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

** DISPUTED ** An issue was discovered in RIPE NCC RPKI Validator 3.x through 3.1-2020.07.06.14.28. Missing validation checks on CRL presence or CRL staleness in the X509-based RPKI certificate-tree validation procedure allow remote attackers to bypass intended access restrictions by using revoked certificates. NOTE: there may be counterarguments related to backwards compatibility.

The weakness was published 07/30/2020. The identification of this vulnerability is CVE-2020-16162 since 07/30/2020. 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 T1587.003 according to MITRE ATT&CK.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-159217 and VDB-159216. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.5
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

Class: Certificate validation
CWE: CWE-295 / CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/30/2020 🔍
07/30/2020 +0 days 🔍
07/31/2020 +1 days 🔍
08/04/2024 +1465 days 🔍

Sourcesinfo

Status: Not defined
Disputed: 🔍

CVE: CVE-2020-16162 (🔍)
GCVE (CVE): GCVE-0-2020-16162
GCVE (VulDB): GCVE-100-159215
See also: 🔍

Entryinfo

Created: 07/31/2020 06:35
Updated: 08/04/2024 17:17
Changes: 07/31/2020 06:35 (39), 07/31/2020 06:40 (17), 08/04/2024 17:17 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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