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, including web browsers and Node's built-in URL class.
Patches
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.
SECURITY fixing URI.parse() to rewrite \ in scheme delimiter to / as Node and Browsers do - disclosed privately by Yaniv Nizry from the CxSCA AppSec team at Checkmarx
1.19.5 (December 30th 2020)
dropping jquery.URI.js from minified bundle accidentally added since v1.19.3 - [Issue #404](medialize/URI.js#404)
SECURITY fixing URI.parse() to rewrite \ in scheme delimiter to / as Node and Browsers do - disclosed privately by Yaniv Nizry from the CxSCA AppSec team at Checkmarx
1.19.5 (December 30th 2020)
dropping jquery.URI.js from minified bundle accidentally added since v1.19.3 - [Issue #404](medialize/URI.js#404)
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Bumps urijs from 1.19.2 to 1.19.6. This update includes a security fix.
Vulnerabilities fixed
Sourced from The GitHub Security Advisory Database.
... (truncated)
Release notes
Sourced from urijs's releases.
Changelog
Sourced from urijs's changelog.
Commits
46c8ac0
chore(build): bumping to version 1.19.6a1ad8bc
fix(parse): treat backslash as forwardslash in scheme delimiterd7bb4ce
chore(build): bumping to version 1.19.5bf04ec5
chore(build): bumping to version 1.19.4b02bf03
fix(parse): treat backslash as forwardslash in authority (#403)d7064ab
chore(build): bumping to version 1.19.34f45faf
fix(parse): treat backslash as forwardslash in authorityDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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