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CVE-2018-1000519: aiohttp-session Session Fixation vulnerability

September 13, 2018 (updated November 18, 2024)

The pypi package aiohttp-session before 2.4.0 contained a Session Fixation vulnerability in load_session function for RedisStorage that can result in Session Hijacking. This attack appear to be exploitable via Any method that allows setting session cookies (?session=<>, or meta tags or script tags with Set-Cookie).

References

  • github.com/advisories/GHSA-fpwp-69xv-c67f
  • github.com/aio-libs/aiohttp-session
  • github.com/aio-libs/aiohttp-session/blob/master/aiohttp_session/redis_storage.py
  • github.com/aio-libs/aiohttp-session/commit/6b7864004d3442dbcfaf8687f63262c1c629f569
  • github.com/aio-libs/aiohttp-session/issues/272
  • github.com/pypa/advisory-database/tree/main/vulns/aiohttp-session/PYSEC-2018-80.yaml
  • nvd.nist.gov/vuln/detail/CVE-2018-1000519

Code Behaviors & Features

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Affected versions

All versions before 2.4.0

Fixed versions

  • 2.4.0

Solution

Upgrade to version 2.4.0 or above.

Impact 6.5 MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-384: Session Fixation

Source file

pypi/aiohttp-session/CVE-2018-1000519.yml

Spotted a mistake? Edit the file on GitLab.

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