[Security] Bump websocket-extensions from 0.1.3 to 0.1.4

[dependabot-preview]

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 0.1.4
• 3dad4ad Remove ReDoS vulnerability in the Sec-WebSocket-Extensions header parser
• 4a76c75 Add Node versions 13 and 14 on Travis
• 44a677a Formatting change: {...} should have spaces inside the braces
• f6c50ab Let npm reformat package.json
• 2d211f3 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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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (develop@bdffa3b). Click here to learn what that means.
The diff coverage is 89.35%.

❗ Current head 602fc0f differs from pull request most recent head b0b4ce6. Consider uploading reports for the commit b0b4ce6 to get more accurate results

@@            Coverage Diff             @@
##             develop     #453   +/-   ##
==========================================
  Coverage           ?   90.79%           
==========================================
  Files              ?      118           
  Lines              ?     2215           
  Branches           ?      661           
==========================================
  Hits               ?     2011           
  Misses             ?      204           
  Partials           ?        0           

Impacted Files	Coverage Δ
.../manual-trigger/register-manual-trigger-watcher.js	100.00% <ø> (ø)
...play-conditions/scroll/register-element-watcher.js	0.00% <0.00%> (ø)
src/rollup/utils/persist/erase.js	0.00% <0.00%> (ø)
src/rollup/utils/utils.js	100.00% <ø> (ø)
src/rollup/utils/get-scrolling-element.js	6.66% <6.66%> (ø)
src/rollup/data/tracking/track-widget-action.js	88.00% <50.00%> (ø)
...display-conditions/exit-intent/init-exit-intent.js	73.68% <73.68%> (ø)
src/rollup/validation/validate-widget-position.js	84.21% <75.00%> (ø)
src/rollup/widgets/show-widget.js	75.75% <81.81%> (ø)
src/rollup/recommendations/recommend-content.js	73.91% <93.75%> (ø)
... and 32 more

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