CVE-2018-1000814 : Exploit Details and Defense Strategies

A vulnerability in aio-libs aiohttp-session versions 2.6.0 and earlier can lead to non-expiring sessions or infinite lifespan due to issues in EncryptedCookieStorage and NaClCookieStorage.

Understanding CVE-2018-1000814

This CVE was assigned on November 27, 2018, and updated on October 3, 2022, by MITRE.

What is CVE-2018-1000814?

The vulnerability in aio-libs aiohttp-session allows for the recreation of a cookie with the same value after its expiry, potentially resulting in non-expiring sessions or infinite lifespan.

The Impact of CVE-2018-1000814

The vulnerability can be exploited to manipulate session cookies, leading to security risks and unauthorized access.

Technical Details of CVE-2018-1000814

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in EncryptedCookieStorage and NaClCookieStorage in aio-libs aiohttp-session versions 2.6.0 and earlier can result in non-expiring sessions or infinite lifespan.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: 2.6.0 and earlier

Exploitation Mechanism

The vulnerability can be exploited by recreating a cookie with the same value after its expiry, allowing for the manipulation of session cookies.

Mitigation and Prevention

Protecting systems from CVE-2018-1000814 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update aio-libs aiohttp-session to a patched version that addresses the vulnerability.
Monitor session cookies for unusual activity.

Long-Term Security Practices

Implement secure cookie handling practices.
Regularly audit and review session management mechanisms.

Patching and Updates

Apply patches provided by aio-libs to fix the vulnerability.