PT-2019-17677 · Facebook+1 · Yarn+1

Skovorodan · Published 2019-07-30 · Updated 2021-11-03 · CVE-2019-5448

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Yarn versions prior to 1.17.3

Description The issue is related to missing encryption of sensitive data. Specifically, HTTP URLs in the lockfile cause unencrypted authentication data to be sent over the network.

Recommendations For versions prior to 1.17.3, update to version 1.17.3 or later to resolve the issue. As a temporary workaround, consider avoiding the use of HTTP URLs in the lockfile to minimize the risk of sending unencrypted authentication data over the network.

Exploit

Fix

Missing Encryption of Sensitive Data

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-311

CWE-319

Related Identifiers

ALT-PU-2019-2451

ALT-PU-2019-2452

CVE-2019-5448

GHSA-WQFC-CR59-H64P

Affected Products

Alt Linux

Yarn

References · 14

• 🔥 https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-5448 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-5448 · Security Note
• https://osv.dev/vulnerability/CVE-2019-5448 · Vendor Advisory
• https://yarnpkg.com/blog/2019/07/12/recommended-security-update · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-5448 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-5448 · Security Note
• https://osv.dev/vulnerability/GHSA-wqfc-cr59-h64p · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-5448 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-5448 · Vendor Advisory
• https://github.com/yarnpkg/yarn/commit/2f08a7405cc3f6fe47c30293050bb0ac94850932 · Note
• https://github.com/yarnpkg/yarn/pull/7393 · Note
• https://hackerone.com/reports/640904 · Note
• https://t.me/cvenotify/22939 · Telegram Post