Denial of Service Vulnerability in Rack by Ruby Group
CVE-2023-27530

7.5HIGH

Key Information:

Vendor

Rack Project

Status
Https://github.com/rack/rack
Vendor
CVE Published:
10 March 2023

What is CVE-2023-27530?

A Denial of Service vulnerability exists in Rack affecting multiple versions. The flaw lies within the Multipart MIME parsing code, allowing attackers to craft specific requests that could significantly delay the processing of multipart parsing requests. This could lead to degraded performance or temporary unavailability of services relying on Rack. It is crucial for users of affected versions to update promptly to mitigate potential exploitation risks.

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Deploy the Patch

Affected Version(s)

https://github.com/rack/rack 3.0.4.2, 2.2.6.3, 2.1.4.3, 2.0.9.3

References

https://discuss.rubyonrails.org/t/cve-2023-27530-possible...
https://lists.debian.org/debian-lts-announce/2023/04/msg0...
mailing-list
https://www.debian.org/security/2023/dsa-5530
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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