2021-3678 | ShowDoc weak prng


CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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5.1 $0-$5k 0.40

A vulnerability, which was classified as problematic, has been found in ShowDoc (unknown version). This issue affects some unknown processing. The manipulation with an unknown input leads to a weak encryption vulnerability. Using CWE to declare the problem leads to CWE-338. Impacted is confidentiality. The summary by CVE is:

showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

The weakness was disclosed 08/05/2021. The advisory is shared at huntr.dev. The identification of this vulnerability is CVE-2021-3678 since 08/03/2021. The exploitation is known to be easy. 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.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Name

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Weak encryption
CWE: CWE-338
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒


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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: github.com

08/03/2021 CVE assigned
08/05/2021 +2 days Advisory disclosed
08/05/2021 +0 days VulDB entry created
08/08/2021 +3 days VulDB last updateAdvisory: huntr.dev
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-3678 (🔒)

Created: 08/05/2021 08:27
Updated: 08/08/2021 16:05
Changes: (1) source_cve_cna
Complete: 🔍

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