8.1
HIGH CVSS 3.1
CVE-2019-5448
Yarn Insecure Sensitive Data Exposure
Description

Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network.

INFO

Published Date :

July 30, 2019, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 4:44 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2019-5448 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Yarnpkg yarn
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Solution
The Yarn package manager is vulnerable to insecure sensitive data exposure.
  • Update the affected packages.
  • If this does not resolve the issue, review the configuration of your package manager.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-5448.

URL Resource
https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md Exploit Third Party Advisory
https://hackerone.com/reports/640904 Permissions Required Third Party Advisory
https://yarnpkg.com/blog/2019/07/12/recommended-security-update/ Vendor Advisory
https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md Exploit Third Party Advisory
https://hackerone.com/reports/640904 Permissions Required Third Party Advisory
https://yarnpkg.com/blog/2019/07/12/recommended-security-update/ Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-5448 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-5448 weaknesses.

CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-37: Retrieve Embedded Sensitive Data Retrieve Embedded Sensitive Data CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-157: Sniffing Attacks Sniffing Attacks CAPEC-158: Sniffing Network Traffic Sniffing Network Traffic CAPEC-204: Lifting Sensitive Data Embedded in Cache Lifting Sensitive Data Embedded in Cache CAPEC-383: Harvesting Information via API Event Monitoring Harvesting Information via API Event Monitoring CAPEC-384: Application API Message Manipulation via Man-in-the-Middle Application API Message Manipulation via Man-in-the-Middle CAPEC-385: Transaction or Event Tampering via Application API Manipulation Transaction or Event Tampering via Application API Manipulation CAPEC-386: Application API Navigation Remapping Application API Navigation Remapping CAPEC-387: Navigation Remapping To Propagate Malicious Content Navigation Remapping To Propagate Malicious Content CAPEC-388: Application API Button Hijacking Application API Button Hijacking CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content CAPEC-609: Cellular Traffic Intercept Cellular Traffic Intercept CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-117: Interception Interception CAPEC-383: Harvesting Information via API Event Monitoring Harvesting Information via API Event Monitoring CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-5448 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-5448 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md
    Added Reference https://hackerone.com/reports/640904
    Added Reference https://yarnpkg.com/blog/2019/07/12/recommended-security-update/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 03, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Removed CWE NIST CWE-310
    Added CWE NIST CWE-319
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE HackerOne CWE-311
  • Initial Analysis by [email protected]

    Aug. 06, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md No Types Assigned https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md Exploit, Third Party Advisory
    Changed Reference Type https://hackerone.com/reports/640904 No Types Assigned https://hackerone.com/reports/640904 Permissions Required, Third Party Advisory
    Changed Reference Type https://yarnpkg.com/blog/2019/07/12/recommended-security-update/ No Types Assigned https://yarnpkg.com/blog/2019/07/12/recommended-security-update/ Vendor Advisory
    Added CWE CWE-310
    Added CPE Configuration OR *cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:* versions up to (excluding) 1.17.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.11 }} 0.02%

score

0.29729

percentile