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CVE-2022-3364: rdiffweb's unlimited length Fullname field can lead to DoS

September 30, 2022 (updated October 25, 2024)

rdiffweb prior to 2.5.0a3 does not validate email length, allowing users to insert an email longer than 255 characters. If a user signs up with an email with a length of 1 million or more characters and logs in, withdraws, or changes their email, the server may cause denial of service due to overload.

References

  • github.com/advisories/GHSA-fqfg-c577-2vc3
  • github.com/ikus060/rdiffweb
  • github.com/ikus060/rdiffweb/commit/b62c479ff6979563c7c23e7182942bc4f460a2c7
  • github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-298.yaml
  • huntr.dev/bounties/e70ad507-1424-463b-bdf1-c4a6fbe6e720
  • nvd.nist.gov/vuln/detail/CVE-2022-3364

Code Behaviors & Features

Detect and mitigate CVE-2022-3364 with GitLab Dependency Scanning

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Affected versions

All versions before 2.5.0a3

Fixed versions

  • 2.5.0a3

Solution

Upgrade to version 2.5.0a3 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-770: Allocation of Resources Without Limits or Throttling

Source file

pypi/rdiffweb/CVE-2022-3364.yml

Spotted a mistake? Edit the file on GitLab.

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