Insufficient Session Expiration Affecting aiohttp-session package, versions [,2.7.0)

Snyk CVSS

Attack Complexity High

Threat Intelligence

EPSS 0.05% (21^st percentile)

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Snyk ID SNYK-PYTHON-AIOHTTPSESSION-72728
published 24 Dec 2018
disclosed 11 Oct 2018
credit Unknown

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Introduced: 11 Oct 2018

CVE-2018-1000814 Open this link in a new tab CWE-613 Open this link in a new tab

How to fix?

Upgrade aiohttp-session to version 2.7.0 or higher.

Overview

aiohttp-session provides sessions for aiohttp.web.

Affected versions of this package are vulnerable to Insufficient Session Expiration via the EncryptedCookieStorage and NaClCookieStorage functions 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.