D-Link DIR-865L Ax 1.20B01 Beta Random Number Generator PRNG weak prng

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in D-Link DIR-865L Ax 1.20B01 Beta. This affects an unknown part of the component Random Number Generator. Executing a manipulation can lead to weak prng (PRNG). The identification of this vulnerability is CVE-2020-13784. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in D-Link DIR-865L Ax 1.20B01 Beta (Router Operating System). It has been declared as critical. This vulnerability affects some unknown functionality of the component Random Number Generator. The manipulation with an unknown input leads to a weak prng vulnerability (PRNG). The CWE definition for the vulnerability is CWE-338. The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. As an impact it is known to affect confidentiality. CVE summarizes:

D-Link DIR-865L Ax 1.20B01 Beta devices have a predictable seed in a Pseudo-Random Number Generator.

The weakness was shared 06/03/2020. This vulnerability was named CVE-2020-13784 since 06/03/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/04/2020). The MITRE ATT&CK project declares the attack technique as T1600.001.

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

The entries VDB-156007, VDB-156006, VDB-156003 and VDB-156002 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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

Name: PRNG
Class: Weak prng / PRNG
CWE: CWE-338 / CWE-331 / CWE-330
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

06/03/2020 🔍
06/03/2020 +0 days 🔍
06/04/2020 +1 days 🔍
06/04/2020 +0 days 🔍

Sourcesinfo

Vendor: dlink.com

Status: Not defined

CVE: CVE-2020-13784 (🔍)
GCVE (CVE): GCVE-0-2020-13784
GCVE (VulDB): GCVE-100-156004
See also: 🔍

Entryinfo

Created: 06/04/2020 09:50
Updated: 06/04/2020 09:55
Changes: 06/04/2020 09:50 (37), 06/04/2020 09:55 (18)
Complete: 🔍
Cache ID: 216::103

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