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  5. CVE-2024-27355

CVE-2024-27355: phpseclib does not properly limit the ASN1 OID length

March 2, 2024 (updated March 4, 2024)

An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service (CPU consumption for decodeOID).

References

  • gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
  • github.com/advisories/GHSA-jr22-8qgm-4q87
  • github.com/phpseclib/phpseclib
  • github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.php
  • github.com/phpseclib/phpseclib/commit/e32531001b4d62c66c3d824ccef54ffad835eb59
  • nvd.nist.gov/vuln/detail/CVE-2024-27355

Code Behaviors & Features

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Affected versions

All versions before 1.0.23, all versions starting from 2.0.0 before 2.0.47, all versions starting from 3.0.0 before 3.0.36

Fixed versions

  • 1.0.23
  • 3.0.36
  • 2.0.47

Solution

Upgrade to versions 1.0.23, 2.0.47, 3.0.36 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

Source file

packagist/phpseclib/phpseclib/CVE-2024-27355.yml

Spotted a mistake? Edit the file on GitLab.

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