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CVE-2018-1000814: aiohttp-session creates non-expiring sessions

December 20, 2018 (updated March 14, 2025)

aio-libs aiohttp-session version 2.6.0 and earlier contains a Other/Unknown vulnerability in EncryptedCookieStorage and NaClCookieStorage that can result in Non-expiring sessions / Infinite lifespan. This attack appear to be exploitable via Recreation of a cookie post-expiry with the same value.

References

  • github.com/advisories/GHSA-mr4x-c4v9-x729
  • github.com/aio-libs/aiohttp-session
  • github.com/aio-libs/aiohttp-session/commit/1b356f01bbab57d041c9a75bacd72fbbf8524728
  • github.com/aio-libs/aiohttp-session/issues/325
  • github.com/aio-libs/aiohttp-session/pull/331
  • github.com/pypa/advisory-database/tree/main/vulns/aiohttp-session/PYSEC-2018-35.yaml
  • nvd.nist.gov/vuln/detail/CVE-2018-1000814

Code Behaviors & Features

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Affected versions

All versions before 2.7.0

Fixed versions

  • 2.7.0

Solution

Upgrade to version 2.7.0 or above.

Impact 6.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-613: Insufficient Session Expiration

Source file

pypi/aiohttp-session/CVE-2018-1000814.yml

Spotted a mistake? Edit the file on GitLab.

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