CVE-2020-5280— Local file inclusion vulnerability in http4s
Quick assessment
Affected
http4s http4s
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
http4s是一款开源的用于Scala的流HTTP服务器。 http4s 0.18.26之前版本、0.20.20之前版本和0.21.2之前版本中的FileService、ResourceService和WebjarService存在路径遍历漏洞，该漏洞源于程序没有对URL进行正确的规范化处理。攻击者可利用该漏洞获取被限制的资源。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2020-5280
Vulnerability Information
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Vulnerability Title
Local file inclusion vulnerability in http4s
Source: CVE Program / CVE List V5
Vulnerability Description
http4s before versions 0.18.26, 0.20.20, and 0.21.2 has a local file inclusion vulnerability. This vulnerability applies to all users of org.http4s.server.staticcontent.FileService, org.http4s.server.staticcontent.ResourceService and org.http4s.server.staticcontent.WebjarService. URI normalization is applied incorrectly. Requests whose path info contain ../ or // can expose resources outside of the configured location. This issue is patched in versions 0.18.26, 0.20.20, and 0.21.2. Note that 0.19.0 is a deprecated release and has never been supported.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
http4s 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
http4s是一款开源的用于Scala的流HTTP服务器。 http4s 0.18.26之前版本、0.20.20之前版本和0.21.2之前版本中的FileService、ResourceService和WebjarService存在路径遍历漏洞，该漏洞源于程序没有对URL进行正确的规范化处理。攻击者可利用该漏洞获取被限制的资源。
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
II. Public POCs for CVE-2020-5280
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Patches & Fixes for CVE-2020-5280 (3)
Vendor Advisories for CVE-2020-5280 (1)
-
https://github.com/http4s/http4s/security/advisories/GHSA-66q9-f7ff-mmx6 x_refsource_CONFIRM
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