QID 983104

QID 983104: Nodejs (npm) Security Update for urijs (GHSA-3329-pjwv-fjpg)

Security update has been released for urijs to fix the vulnerability.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

If using affected versions to determine a URL's hostname, the hostname can be spoofed by using a backslash (`\`) character followed by an at (`@`) character. If the hostname is used in security decisions, the decision may be incorrect.

Depending on library usage and attacker intent, impacts may include allow/block list bypasses, SSRF attacks, open redirects, or other undesired behavior.

Example URL: `https://expected-example.com\@observed-example.com`
Escaped string: `https://expected-example.com\\@observed-example.com` (JavaScript strings must escape backslash)

Affected versions incorrectly return `observed-example.com`. Patched versions correctly return `expected-example.com`. Patched versions match the behavior of other parsers which implement the [WHATWG URL specification](https://url.spec.whatwg.org/), including web browsers and [Node's built-in URL class](https://nodejs.org/api/url.html).

CVSS V3 rated as High - 6.5 severity.

CVSS V2 rated as Medium - 4 severity.

Solution

Version 1.19.4 is patched against all known payload variants. Version 1.19.3 has a partial patch but is still vulnerable to a payload variant.

Vendor References

GHSA-3329-pjwv-fjpg - github.com/advisories/GHSA-3329-pjwv-fjpg

CVEs related to QID 983104

CVE-2020-26291 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-3329-pjwv-fjpg	urijs		github.com/advisories/GHSA-3329-pjwv-fjpg

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