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| --- | ||
| gem: pubnub | ||
| cve: 2023-26154 | ||
| ghsa: 5844-q3fc-56rh | ||
| url: https://github.com/advisories/GHSA-5844-q3fc-56rh | ||
| title: pubnub Insufficient Entropy vulnerability | ||
| date: 2023-12-06 | ||
| description: | | ||
| Versions of the package pubnub before 7.4.0; all versions of the | ||
| package com.pubnub:pubnub; versions of the package pubnub before | ||
| 6.19.0; all versions of the package github.com/pubnub/go; versions | ||
| of the package github.com/pubnub/go/v7 before 7.2.0; versions of | ||
| the package pubnub before 7.3.0; versions of the package pubnub/pubnub | ||
| before 6.1.0; versions of the package pubnub before 5.3.0; versions | ||
| of the package pubnub before 0.4.0; versions of the package pubnub/c-core | ||
| before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before | ||
| 7.7.0; versions of the package pubnub/swift before 6.2.0; versions | ||
| of the package pubnub before 5.2.0; versions of the package pubnub | ||
| before 4.3.0 are vulnerable to Insufficient Entropy via the getKey | ||
| function, due to inefficient implementation of the AES-256-CBC | ||
| cryptographic algorithm. The provided encrypt function is less secure | ||
| when hex encoding and trimming are applied, leaving half of the bits | ||
| in the key always the same for every encoded message or file. | ||
| **Note:** | ||
| In order to exploit this vulnerability, the attacker needs to invest | ||
| resources in preparing the attack and brute-force the encryption. | ||
| cvss_v3: 5.9 | ||
| patched_versions: | ||
| - ">= 5.3.0" | ||
| related: | ||
| url: | ||
| - https://nvd.nist.gov/vuln/detail/CVE-2023-26154 | ||
| - https://github.com/pubnub/ruby/releases/tag/v5.3.0 | ||
| - https://github.com/pubnub/javascript/commit/fb6cd0417cbb4ba87ea2d5d86a9c94774447e119 | ||
| - https://gist.github.com/vargad/20237094fce7a0a28f0723d7ce395bb0 | ||
| - https://github.com/pubnub/javascript/blob/master/src/crypto/modules/web.js#L70 | ||
| - https://security.snyk.io/vuln/SNYK-COCOAPODS-PUBNUB-6098384 | ||
| - https://security.snyk.io/vuln/SNYK-DOTNET-PUBNUB-6098372 | ||
| - https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPUBNUBGO-6098373 | ||
| - https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPUBNUBGOV7-6098374 | ||
| - https://security.snyk.io/vuln/SNYK-JAVA-COMPUBNUB-6098371 | ||
| - https://security.snyk.io/vuln/SNYK-JAVA-COMPUBNUB-6098380 | ||
| - https://security.snyk.io/vuln/SNYK-JS-PUBNUB-5840690 | ||
| - https://security.snyk.io/vuln/SNYK-PHP-PUBNUBPUBNUB-6098376 | ||
| - https://security.snyk.io/vuln/SNYK-PUB-PUBNUB-6098385 | ||
| - https://security.snyk.io/vuln/SNYK-PYTHON-PUBNUB-6098375 | ||
| - https://security.snyk.io/vuln/SNYK-RUBY-PUBNUB-6098377 | ||
| - https://security.snyk.io/vuln/SNYK-RUST-PUBNUB-6098378 | ||
| - https://security.snyk.io/vuln/SNYK-SWIFT-PUBNUBSWIFT-6098381 | ||
| - https://security.snyk.io/vuln/SNYK-UNMANAGED-PUBNUBCCORE-6098379 | ||
| - https://github.com/advisories/GHSA-5844-q3fc-56rh |