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CVE-2020-11501

Quick assessment

Affected
n/a n/a
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.

GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 3.6.13之前的3.6.x版本中存在加密问题漏洞。攻击者可利用该漏洞绕过DTLS协议的安全保护。

AI Predicted 7.5 Difficulty: Moderate EPSS 3.39% · P88
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I. Basic Information for CVE-2020-11501

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
GnuTLS 3.6.x before 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 (2018-07-16) because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to a DTLS negotiation. This breaks the security guarantees of the DTLS protocol.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GnuTLS 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 3.6.13之前的3.6.x版本中存在加密问题漏洞。攻击者可利用该漏洞绕过DTLS协议的安全保护。
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
- n/a n/a -

II. Public POCs for CVE-2020-11501

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III. Intelligence Information for CVE-2020-11501

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Patches & Fixes for CVE-2020-11501 (1)

Vendor Advisories for CVE-2020-11501 (3)

Mailing List Discussions for CVE-2020-11501 (3)

Other References for CVE-2020-11501 (2)

Same Patch Batch · n/a · 2020-04-03 · 11 CVEs total

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IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2020-11501

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