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GHSA Sync: 1 brand new advisory #723

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Dec 7, 2023
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GHSA Sync: 1 brand new advisory #723

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53 changes: 53 additions & 0 deletions gems/pubnub/CVE-2023-26154.yml
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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