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CVE-2022-4064— Dalli Meta Protocol request_formatter.rb self.meta_set injection

Quick assessment

Affected
n/a Dalli
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.

Dalli是Peter Goldstein个人开发者的一个用于访问 memcached 服务器的高性能纯 Ruby 客户端。 Dalli存在安全漏洞，该漏洞源于组件Meta Protocol Handler中lib/dalli/protocol/meta/request_formatter.rb 文件的self.meta_set函数受到影响，可能导致注入。

CVSS 3.7 · Low EPSS 1.28% · P68
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I. Basic Information for CVE-2022-4064

Vulnerability Information
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Vulnerability Title
Dalli Meta Protocol request_formatter.rb self.meta_set injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Dalli up to 3.2.2. It has been classified as problematic. Affected is the function self.meta_set of the file lib/dalli/protocol/meta/request_formatter.rb of the component Meta Protocol Handler. The manipulation of the argument cas/ttl leads to injection. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.3 is able to address this issue. The patch is identified as 48d594dae55934476fec61789e7a7c3700e0f50d. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Dalli 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dalli是Peter Goldstein个人开发者的一个用于访问 memcached 服务器的高性能纯 Ruby 客户端。 Dalli存在安全漏洞，该漏洞源于组件Meta Protocol Handler中lib/dalli/protocol/meta/request_formatter.rb 文件的self.meta_set函数受到影响，可能导致注入。
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
- Dalli 3.2.0 -

II. Public POCs for CVE-2022-4064

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III. Intelligence Information for CVE-2022-4064

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Patches & Fixes for CVE-2022-4064 (2)

Vendor Advisories for CVE-2022-4064 (2)

Other References for CVE-2022-4064 (1)

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-74

V. Comments for CVE-2022-4064

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