piping-draw-web
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[Security] Bump websocket-extensions from 0.1.3 to 0.1.4
Bumps websocket-extensions from 0.1.3 to 0.1.4. This update includes a security fix.
Vulnerabilities fixed
Sourced from The GitHub Security Advisory Database.
Regular Expression Denial of Service in websocket-extensions (NPM package)
Impact
The ReDoS flaw allows an attacker to exhaust the server's capacity to process incoming requests by sending a WebSocket handshake request containing a header of the following form:
Sec-WebSocket-Extensions: a; b="\c\c\c\c\c\c\c\c\c\c ...
That is, a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other character. The parser takes exponential time to reject this header as invalid, and this will block the processing of any other work on the same thread. Thus if you are running a single-threaded server, such a request can render your service completely unavailable.
Patches
Users should upgrade to version 0.1.4.
Workarounds
... (truncated)Affected versions: < 0.1.4
Changelog
Sourced from websocket-extensions's changelog.
0.1.4 / 2020-06-02
- Remove a ReDoS vulnerability in the header parser (CVE-2020-7662, reported by Robert McLaughlin)
- Change license from MIT to Apache 2.0
Commits
8efd0cd
Bump version to 0.1.43dad4ad
Remove ReDoS vulnerability in the Sec-WebSocket-Extensions header parser4a76c75
Add Node versions 13 and 14 on Travis44a677a
Formatting change: {...} should have spaces inside the bracesf6c50ab
Let npm reformat package.json2d211f3
Change markdown formatting of docs.0b62083
Update Travis target versions.729a465
Switch license to Apache 2.0.- See full diff in compare view
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