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Security Advisories: GSA_kwCzR0hTQS1neGg3LXd2OXEtZndmcs4AA1vc
Electron's Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled
Impact
A Content-Security-Policy that disables eval, specifically setting a script-src
directive and not providing unsafe-eval
in that directive, is not respected in renderers that have sandbox and contextIsolation disabled. i.e. sandbox: false
and contextIsolation: false
in the webPreferences
object.
This resulted in incorrectly allowing usage of methods like eval()
and new Function
, which can result in an expanded attack surface.
Patches
This issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes:
- 22.0.1
- 23.0.0-alpha.2
We recommend all apps upgrade to the latest stable version of Electron, especially if they use sandbox: false
or contextIsolation: false
.
Workarounds
If upgrading isn't possible, this issue can be addressed without upgrading by enabling at least one of sandbox: true
or contextIsolation: true
on all renderers.
const mainWindow = new BrowserWindow({
webPreferences: {
sandbox: true,
}
});
For more information
If you have any questions or comments about this advisory, email us at [email protected].
Credit
Thanks to user @andreasdj for reporting this issue.
Permalink: https://github.com/advisories/GHSA-gxh7-wv9q-fwfrJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1neGg3LXd2OXEtZndmcs4AA1vc
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 8 months ago
Updated: 5 months ago
CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Identifiers: GHSA-gxh7-wv9q-fwfr, CVE-2023-23623
References:
- https://github.com/electron/electron/security/advisories/GHSA-gxh7-wv9q-fwfr
- https://github.com/electron/electron/pull/36667
- https://github.com/electron/electron/pull/36668
- https://github.com/electron/electron/commit/9e7fbc7021d8d716c43782249a552e55289c35db
- https://github.com/electron/electron/releases/tag/v22.0.1
- https://nvd.nist.gov/vuln/detail/CVE-2023-23623
- https://github.com/advisories/GHSA-gxh7-wv9q-fwfr
Blast Radius: 37.3
Affected Packages
npm:electron
Dependent packages: 5,167Dependent repositories: 93,246
Downloads: 3,095,378 last month
Affected Version Ranges: >= 23.0.0-alpha.1, < 23.0.0-alpha.2, >= 22.0.0-beta.1, < 22.0.1
Fixed in: 23.0.0-alpha.2, 22.0.1
All affected versions: 22.0.0, 22.0.0-beta.1, 22.0.0-beta.2, 22.0.0-beta.3, 22.0.0-beta.4, 22.0.0-beta.5, 22.0.0-beta.6, 22.0.0-beta.7, 22.0.0-beta.8, 23.0.0-alpha.1
All unaffected versions: 0.1.0, 0.1.1, 0.1.2, 0.2.0, 0.2.1, 0.3.0, 0.4.0, 0.4.1, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.3.12, 1.3.13, 1.3.14, 1.3.15, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.8, 1.4.10, 1.4.11, 1.4.12, 1.4.13, 1.4.14, 1.4.15, 1.4.16, 1.5.0, 1.5.1, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 1.6.9, 1.6.10, 1.6.11, 1.6.12, 1.6.13, 1.6.14, 1.6.15, 1.6.16, 1.6.17, 1.6.18, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.7.8, 1.7.9, 1.7.10, 1.7.11, 1.7.12, 1.7.13, 1.7.14, 1.7.15, 1.7.16, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.8.5, 1.8.6, 1.8.7, 1.8.8, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16, 2.0.17, 2.0.18, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.16, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.1.13, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.2.9, 4.2.10, 4.2.11, 4.2.12, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.12, 5.0.13, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.0.9, 6.0.10, 6.0.11, 6.0.12, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.1.7, 6.1.8, 6.1.9, 6.1.10, 6.1.11, 6.1.12, 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.1.5, 7.1.6, 7.1.7, 7.1.8, 7.1.9, 7.1.10, 7.1.11, 7.1.12, 7.1.13, 7.1.14, 7.2.0, 7.2.1, 7.2.2, 7.2.3, 7.2.4, 7.3.0, 7.3.1, 7.3.2, 7.3.3, 8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.1.0, 8.1.1, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.2.5, 8.3.0, 8.3.1, 8.3.2, 8.3.3, 8.3.4, 8.4.0, 8.4.1, 8.5.0, 8.5.1, 8.5.2, 8.5.3, 8.5.4, 8.5.5, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.1.0, 9.1.1, 9.1.2, 9.2.0, 9.2.1, 9.3.0, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5, 9.4.0, 9.4.1, 9.4.2, 9.4.3, 9.4.4, 10.0.0, 10.0.1, 10.1.0, 10.1.1, 10.1.2, 10.1.3, 10.1.4, 10.1.5, 10.1.6, 10.1.7, 10.2.0, 10.3.0, 10.3.1, 10.3.2, 10.4.0, 10.4.1, 10.4.2, 10.4.3, 10.4.4, 10.4.5, 10.4.6, 10.4.7, 11.0.0, 11.0.1, 11.0.2, 11.0.3, 11.0.4, 11.0.5, 11.1.0, 11.1.1, 11.2.0, 11.2.1, 11.2.2, 11.2.3, 11.3.0, 11.4.0, 11.4.1, 11.4.2, 11.4.3, 11.4.4, 11.4.5, 11.4.6, 11.4.7, 11.4.8, 11.4.9, 11.4.10, 11.4.11, 11.4.12, 11.5.0, 12.0.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 12.0.5, 12.0.6, 12.0.7, 12.0.8, 12.0.9, 12.0.10, 12.0.11, 12.0.12, 12.0.13, 12.0.14, 12.0.15, 12.0.16, 12.0.17, 12.0.18, 12.1.0, 12.1.1, 12.1.2, 12.2.0, 12.2.1, 12.2.2, 12.2.3, 13.0.0, 13.0.1, 13.1.0, 13.1.1, 13.1.2, 13.1.3, 13.1.4, 13.1.5, 13.1.6, 13.1.7, 13.1.8, 13.1.9, 13.2.0, 13.2.1, 13.2.2, 13.2.3, 13.3.0, 13.4.0, 13.5.0, 13.5.1, 13.5.2, 13.6.0, 13.6.1, 13.6.2, 13.6.3, 13.6.6, 13.6.7, 13.6.8, 13.6.9, 14.0.0, 14.0.1, 14.0.2, 14.1.0, 14.1.1, 14.2.0, 14.2.1, 14.2.2, 14.2.3, 14.2.4, 14.2.5, 14.2.6, 14.2.7, 14.2.8, 14.2.9, 15.0.0, 15.1.0, 15.1.1, 15.1.2, 15.2.0, 15.3.0, 15.3.1, 15.3.2, 15.3.3, 15.3.4, 15.3.5, 15.3.6, 15.3.7, 15.4.0, 15.4.1, 15.4.2, 15.5.0, 15.5.1, 15.5.2, 15.5.3, 15.5.4, 15.5.5, 15.5.6, 15.5.7, 16.0.0, 16.0.1, 16.0.2, 16.0.3, 16.0.4, 16.0.5, 16.0.6, 16.0.7, 16.0.8, 16.0.9, 16.0.10, 16.1.0, 16.1.1, 16.2.0, 16.2.1, 16.2.2, 16.2.3, 16.2.4, 16.2.5, 16.2.6, 16.2.7, 16.2.8, 17.0.0, 17.0.1, 17.1.0, 17.1.1, 17.1.2, 17.2.0, 17.3.0, 17.3.1, 17.4.0, 17.4.1, 17.4.2, 17.4.3, 17.4.4, 17.4.5, 17.4.6, 17.4.7, 17.4.8, 17.4.9, 17.4.10, 17.4.11, 18.0.0, 18.0.1, 18.0.2, 18.0.3, 18.0.4, 18.1.0, 18.2.0, 18.2.2, 18.2.3, 18.2.4, 18.3.0, 18.3.1, 18.3.2, 18.3.3, 18.3.4, 18.3.5, 18.3.6, 18.3.7, 18.3.8, 18.3.9, 18.3.11, 18.3.12, 18.3.13, 18.3.14, 18.3.15, 19.0.0, 19.0.1, 19.0.2, 19.0.3, 19.0.4, 19.0.5, 19.0.6, 19.0.7, 19.0.8, 19.0.9, 19.0.10, 19.0.11, 19.0.12, 19.0.13, 19.0.14, 19.0.15, 19.0.16, 19.0.17, 19.1.0, 19.1.1, 19.1.2, 19.1.3, 19.1.4, 19.1.5, 19.1.6, 19.1.7, 19.1.8, 19.1.9, 20.0.0, 20.0.1, 20.0.2, 20.0.3, 20.1.0, 20.1.1, 20.1.2, 20.1.3, 20.1.4, 20.2.0, 20.3.0, 20.3.1, 20.3.2, 20.3.3, 20.3.4, 20.3.5, 20.3.6, 20.3.7, 20.3.8, 20.3.9, 20.3.10, 20.3.11, 20.3.12, 21.0.0, 21.0.1, 21.1.0, 21.1.1, 21.2.0, 21.2.1, 21.2.2, 21.2.3, 21.3.0, 21.3.1, 21.3.3, 21.3.4, 21.3.5, 21.4.0, 21.4.1, 21.4.2, 21.4.3, 21.4.4, 22.0.1, 22.0.2, 22.0.3, 22.1.0, 22.2.0, 22.2.1, 22.3.0, 22.3.1, 22.3.2, 22.3.3, 22.3.4, 22.3.5, 22.3.6, 22.3.7, 22.3.8, 22.3.9, 22.3.10, 22.3.11, 22.3.12, 22.3.13, 22.3.14, 22.3.15, 22.3.16, 22.3.17, 22.3.18, 22.3.21, 22.3.22, 22.3.23, 22.3.24, 22.3.25, 22.3.26, 22.3.27, 23.0.0, 23.1.0, 23.1.1, 23.1.2, 23.1.3, 23.1.4, 23.2.0, 23.2.1, 23.2.2, 23.2.3, 23.2.4, 23.3.0, 23.3.1, 23.3.2, 23.3.3, 23.3.4, 23.3.5, 23.3.6, 23.3.7, 23.3.8, 23.3.9, 23.3.10, 23.3.11, 23.3.12, 23.3.13, 24.0.0, 24.1.0, 24.1.1, 24.1.2, 24.1.3, 24.2.0, 24.3.0, 24.3.1, 24.4.0, 24.4.1, 24.5.0, 24.5.1, 24.6.0, 24.6.1, 24.6.2, 24.6.3, 24.6.4, 24.6.5, 24.7.0, 24.7.1, 24.8.0, 24.8.1, 24.8.2, 24.8.3, 24.8.4, 24.8.5, 24.8.6, 24.8.7, 24.8.8, 25.0.0, 25.0.1, 25.1.0, 25.1.1, 25.2.0, 25.3.0, 25.3.1, 25.3.2, 25.4.0, 25.5.0, 25.6.0, 25.7.0, 25.8.0, 25.8.1, 25.8.2, 25.8.3, 25.8.4, 25.9.0, 25.9.1, 25.9.2, 25.9.3, 25.9.4, 25.9.5, 25.9.6, 25.9.7, 25.9.8, 26.0.0, 26.1.0, 26.2.0, 26.2.1, 26.2.2, 26.2.3, 26.2.4, 26.3.0, 26.4.0, 26.4.1, 26.4.2, 26.4.3, 26.5.0, 26.6.0, 26.6.1, 26.6.2, 26.6.3, 26.6.4, 26.6.5, 26.6.6, 26.6.7, 26.6.8, 26.6.9, 26.6.10, 27.0.0, 27.0.1, 27.0.2, 27.0.3, 27.0.4, 27.1.0, 27.1.2, 27.1.3, 27.2.0, 27.2.1, 27.2.2, 27.2.3, 27.2.4, 27.3.0, 27.3.1, 27.3.2, 27.3.3, 27.3.4, 27.3.5, 27.3.6, 27.3.7, 27.3.8, 27.3.9, 27.3.10, 27.3.11, 28.0.0, 28.1.0, 28.1.1, 28.1.2, 28.1.3, 28.1.4, 28.2.0, 28.2.1, 28.2.2, 28.2.3, 28.2.4, 28.2.5, 28.2.6, 28.2.7, 28.2.8, 28.2.9, 28.2.10, 28.3.0, 28.3.1, 29.0.0, 29.0.1, 29.1.0, 29.1.1, 29.1.2, 29.1.3, 29.1.4, 29.1.5, 29.1.6, 29.2.0, 29.3.0, 29.3.1, 29.3.2, 30.0.0, 30.0.1, 30.0.2