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CVE-2022-3918— swift-corelibs-foundation 注入漏洞

一分钟漏洞结论

影响对象
Swift Project Swift Foundation
利用判断
尚无明确在野利用证据,仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

Apple Swift是美国苹果(Apple)公司的一款适用于macOS、iOS、watchOS和tvOS的编程语言。 swift-corelibs-foundation 5.7.3之前版本存在安全漏洞,该漏洞源于使用FoundationNetworking的程序可能容易受到URLRequest标头中CRLF注入攻击。

AI 预测 6.5 利用难度: 较易 EPSS 0.78% · P55
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一、 漏洞 CVE-2022-3918 基础信息

漏洞信息

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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
A program using FoundationNetworking in swift-corelibs-foundation is potentially vulnerable to CRLF ( ) injection in URLRequest headers. In this vulnerability, a client can insert one or several CRLF sequences into a URLRequest header value. When that request is sent via URLSession to an HTTP server, the server may interpret the content after the CRLF as extra headers, or even a second request. For example, consider a URLRequest to http://example.com/ with the GET method. Suppose we set the URLRequest header "Foo" to the value "Bar Extra-Header: Added GET /other HTTP/1.1". When this request is sent, it will appear to the server as two requests: GET / HTTP/1.1 Foo: Bar Extra-Header: Added GET /other HTTP/1.1 In this manner, the client is able to inject extra headers and craft an entirely new request to a separate path, despite only making one API call in URLSession. If a developer has total control over the request and its headers, this vulnerability may not pose a threat. However, this vulnerability escalates if un-sanitized user input is placed in header values. If so, a malicious user could inject new headers or requests to an intermediary or backend server. Developers should be especially careful to sanitize user input in this case, or upgrade their version of swift-corelibs-foundation to include the patch below.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
swift-corelibs-foundation 注入漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Apple Swift是美国苹果(Apple)公司的一款适用于macOS、iOS、watchOS和tvOS的编程语言。 swift-corelibs-foundation 5.7.3之前版本存在安全漏洞,该漏洞源于使用FoundationNetworking的程序可能容易受到URLRequest标头中CRLF注入攻击。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
Swift Project Swift Foundation unspecified ~ 5.7.2 -

二、漏洞 CVE-2022-3918 的公开POC

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三、漏洞 CVE-2022-3918 的情报信息

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CVE-2022-3918 厂商安全公告 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2022-3918

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