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CVE-2023-45290— Memory exhaustion in multipart form parsing in net/textproto and net/http

Quick assessment

Affected
Go standard library net/textproto
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.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go 存在安全漏洞，该漏洞源于允许用户输入大量字符，导致分配大量的内存，从而可能导致内存耗尽。

AI Predicted 7.5 Difficulty: Easy EPSS 1.17% · P66

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2023-45290

Vulnerability Information
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Vulnerability Title
Memory exhaustion in multipart form parsing in net/textproto and net/http
Source: CVE Program / CVE List V5
Vulnerability Description
When parsing a multipart form (either explicitly with Request.ParseMultipartForm or implicitly with Request.FormValue, Request.PostFormValue, or Request.FormFile), limits on the total size of the parsed form were not applied to the memory consumed while reading a single form line. This permits a maliciously crafted input containing very long lines to cause allocation of arbitrarily large amounts of memory, potentially leading to memory exhaustion. With fix, the ParseMultipartForm function now correctly limits the maximum size of form lines.
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
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go 存在安全漏洞，该漏洞源于允许用户输入大量字符，导致分配大量的内存，从而可能导致内存耗尽。
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
Go standard library net/textproto 0 ~ 1.21.8 -

II. Public POCs for CVE-2023-45290

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III. Intelligence Information for CVE-2023-45290

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Vendor Advisories for CVE-2023-45290 (1)

Mailing List Discussions for CVE-2023-45290 (1)

Other References for CVE-2023-45290 (4)

Same Patch Batch · Go standard library · 2024-03-05 · 5 CVEs total

CVE-2023-45289 Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http
CVE-2024-24783 Verify panics on certificates with an unknown public key algorithm in crypto/x509
CVE-2024-24784 Comments in display names are incorrectly handled in net/mail
CVE-2024-24785 Errors returned from JSON marshaling may break template escaping in html/template

IV. Related Vulnerabilities

Same product: net/textproto
Same vendor: Go standard library

V. Comments for CVE-2023-45290

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