Memory Exhaustion Vulnerability in Microsoft Request.ParseMultipartForm
CVE-2023-45290

6.5MEDIUM

Key Information:

Vendor

Go Standard Library

Status
Net/textproto
Vendor
CVE Published:
5 March 2024

What is CVE-2023-45290?

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.

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Affected Version(s)

net/textproto 0 < 1.21.8

net/textproto 1.22.0-0 < 1.22.1

References

https://go.dev/issue/65383
https://go.dev/cl/569341
https://groups.google.com/g/golang-announce/c/5pwGVUPoMbg

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bartek Nowotarski
JSON
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