yarnpkg up to 2018-06-05 Signature install.sh weak authentication

A vulnerability classified as critical was found in yarnpkg up to 2018-06-05. Affected by this vulnerability is the functionality of the file install.sh of the component Signature. The manipulation with an unknown input leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-287. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 05/16/2019 as mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. This vulnerability is known as CVE-2018-12556 since 06/18/2018. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/17/2019).

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

Name

• yarnpkg

• ?

• ?

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Weak authentication (CWE-287)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: no mitigation known
0-Day Time: ?06/18/2018 CVE assigned
05/16/2019 +332 days Advisory disclosed
05/17/2019 +1 days VulDB entry created
05/17/2019 +0 days VulDB last updateAdvisory: seclists.org

CVE: CVE-2018-12556 (?)

Created: 05/17/2019 07:17 AM
Complete: ?

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