Vulnerability in Tornado Framework Leads to High CPU Consumption
CVE-2024-52804

7.5HIGH

Key Information:

Vendor

Tornadoweb

Status
Tornado
Vendor
CVE Published:
22 November 2024

What is CVE-2024-52804?

The Tornado framework, a popular Python web framework and asynchronous networking library, exhibits a vulnerability in its HTTP cookie parsing mechanism prior to version 6.4.2. This flaw can lead to excessive CPU usage when maliciously crafted cookie headers are processed. The algorithm's inefficiency may cause significant delays in handling requests as it operates within the event loop thread, potentially leading to a denial-of-service condition. Users of Tornado are advised to upgrade to version 6.4.2 or later to mitigate this issue.

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Affected Version(s)

tornado < 6.4.2

References

https://github.com/tornadoweb/tornado/security/advisories...
x_refsource_CONFIRM
https://github.com/tornadoweb/tornado/commit/d5ba4a1695fb...
x_refsource_MISC
https://github.com/advisories/GHSA-7pwv-g7hj-39pr
x_refsource_MISC

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

JSON
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