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CVE-2023-26154

CVSS 5.9 · Medium EPSS 0.38% · P60
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I. Basic Information for CVE-2023-26154

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息熵不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
PubNub 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PubNub是PubNub开源的一个库。用于负责处理应用程序实时通信层所需的基础设施和 API。 PubNub存在安全漏洞，该漏洞源于AES-256-CBC加密算法的低效实现，容易通过getKey函数受到熵不足的影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-pubnub 0 ~ 7.4.0 -
-com.pubnub:pubnub 0 ~ * -
-Pubnub 0 ~ 6.19.0 -
-github.com/pubnub/go 0 ~ * -
-github.com/pubnub/go/v7 0 ~ 7.2.0 -
-pubnub 0 ~ 7.3.0 -
-pubnub/pubnub 0 ~ 6.1.0 -
-pubnub 0 ~ 5.3.0 -
-pubnub 0 ~ 0.4.0 -
-pubnub/c-core 0 ~ 4.5.0 -
-com.pubnub:pubnub-kotlin 0 ~ 7.7.0 -
-pubnub/swift 0 ~ 6.2.0 -
-PubNub 0 ~ 5.2.0 -
-pubnub 0 ~ 4.3.0 -

II. Public POCs for CVE-2023-26154

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III. Intelligence Information for CVE-2023-26154

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Same Patch Batch · n/a · 2023-12-06 · 12 CVEs total

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IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-331

V. Comments for CVE-2023-26154

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