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CVE-2023-49567— Insecure Trust of certificates using collision hash functions in Bitdefender Total Security HTTPS Scanning (VA-11239)

Quick assessment

Affected
Bitdefender Total Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bitdefender Total Security是罗马尼亚比特梵德（Bitdefender）公司的一款应用于PC端的主动威胁防护软件。该软件具有防病毒，防火墙，反间谍软件，隐私控制，家长控制功能。还包括System TuneUp等功能。 Bitdefender Total Security 27.0.25.115之前版本存在信任管理问题漏洞，该漏洞源于错误检查站点的证书，允许攻击者与任意站点建立MITM SSL连接，允许攻击者创建看似合法的恶意证书。

AI Predicted 8.1 Difficulty: Easy EPSS 0.18% · P8
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I. Basic Information for CVE-2023-49567

Vulnerability Information
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Vulnerability Title
Insecure Trust of certificates using collision hash functions in Bitdefender Total Security HTTPS Scanning (VA-11239)
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in the Bitdefender Total Security HTTPS scanning functionality where the product incorrectly checks the site's certificate, which allows an attacker to make MITM SSL connections to an arbitrary site. The product trusts certificates that are issued using the MD5 and SHA1 collision hash functions which allow attackers to create rogue certificates that appear legitimate.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Bitdefender Total Security 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bitdefender Total Security是罗马尼亚比特梵德（Bitdefender）公司的一款应用于PC端的主动威胁防护软件。该软件具有防病毒，防火墙，反间谍软件，隐私控制，家长控制功能。还包括System TuneUp等功能。 Bitdefender Total Security 27.0.25.115之前版本存在信任管理问题漏洞，该漏洞源于错误检查站点的证书，允许攻击者与任意站点建立MITM SSL连接，允许攻击者创建看似合法的恶意证书。
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

Vendor Product Affected Versions CPE Subscribe
Bitdefender Total Security 0 ~ 27.0.25.115 -

II. Public POCs for CVE-2023-49567

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III. Intelligence Information for CVE-2023-49567

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Same Patch Batch · Bitdefender · 2024-10-18 · 6 CVEs total

CVE-2023-6055 Improper Certificate Validation in Bitdefender Total Security HTTPS Scanning (VA-11158)
CVE-2023-6056 Insecure Trust of Self-Signed Certificates in Bitdefender Total Security HTTPS Scanning (V
CVE-2023-6057 Insecure Trust of DSA-Signed Certificates in Bitdefender Total Security HTTPS Scanning (VA
CVE-2023-6058 HTTPS Certificate Validation Issue in Bitdefender Safepay (VA-11167)
CVE-2023-49570 Insecure Trust of Basic Constraints certificate in Bitdefender Total Security HTTPS Scanni

IV. Related Vulnerabilities

Same product: Total Security
Same vendor: Bitdefender
Same weakness: CWE-295

V. Comments for CVE-2023-49567

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