CVE-2019-5448 Missing Encryption of Sensitive Data in yarn
Attackers can intercept unencrypted authentication tokens sent over HTTP during Yarn package installation, exposing sensitive credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-5448?
CVE-2019-5448 is a high-severity vulnerability in yarn, published on 30 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2019-5448?
2 open source packages ship an affected version, including yarn. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
yarn npm | All versions | 1.17.3 |
yarn npm | All versions | 1.17.3 |
Products include Yarnpkg Yarn.
How do I fix CVE-2019-5448?
Upgrade yarn to 1.17.3 or later.
Is CVE-2019-5448 being exploited?
There is no known exploitation of CVE-2019-5448 in the wild and no public exploit code.
Other vulnerabilities in yarn
Sources
Also known as DEBIAN-CVE-2019-5448, GHSA-wqfc-cr59-h64p.