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CVE-2021-32566— Specific sequence of HTTP/2 frames can cause ATS to crash

EPSS 7.93% · P92
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I. Basic Information for CVE-2021-32566

Vulnerability Information
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Vulnerability Title
Specific sequence of HTTP/2 frames can cause ATS to crash
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Traffic Server 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Traffic Server（ATS）是美国阿帕奇（Apache）基金会的一套可扩展的HTTP代理和缓存服务器。 Apache Traffic Server存在输入验证错误漏洞，该漏洞源于Apache Traffic Server的HTTP/2存在不当输入验证漏洞。攻击者可利用该漏洞对服务器进行DOS攻击。
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
Apache Software FoundationApache Traffic Server Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1 -

II. Public POCs for CVE-2021-32566

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III. Intelligence Information for CVE-2021-32566

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Same Patch Batch · Apache Software Foundation · 2021-06-30 · 3 CVEs total

CVE-2021-35474Dynamic stack buffer overflow in cachekey plugin
CVE-2021-32567Reading HTTP/2 frames too many times

IV. Related Vulnerabilities

Same product: Apache Traffic Server
Same vendor: Apache Software Foundation
Same weakness: CWE-20

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