CVE-2022-29248 : Security Advisory and Response
Learn about CVE-2022-29248, a high-severity vulnerability in Guzzle PHP HTTP client allowing cross-domain cookie leakage, impacting versions prior to 6.5.6 and 7.4.3. Find out the impact, affected systems, and mitigation steps.
This CVE involves a cross-domain cookie leakage vulnerability in Guzzle, a PHP HTTP client, affecting versions prior to 6.5.6 and 7.4.3. It allows a malicious server to set cookies for unrelated domains, potentially leading to sensitive information exposure.
Understanding CVE-2022-29248
Guzzle, a popular PHP HTTP client library, had a vulnerability in its cookie middleware that could enable a malicious server to set cookies for domains not intended. The issue affects specific setups and versions of Guzzle.
What is CVE-2022-29248?
The vulnerability in Guzzle versions prior to 6.5.6 and 7.4.3 allows a malicious server to set cookies for unrelated domains, potentially leading to exposure of sensitive information to unauthorized actors.
The Impact of CVE-2022-29248
The impact of this vulnerability is considered high, with the potential for unauthorized access to sensitive information and data integrity compromise.
Technical Details of CVE-2022-29248
The following technical details outline the vulnerability, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability arises from a lack of domain checking when a cookie is set, potentially allowing malicious servers to set cookies for unrelated domains.
Affected Systems and Versions
Guzzle versions prior to 6.5.6 and 7.4.3 are affected. Those who manually add the cookie middleware or use specific setup configurations are at risk.
Exploitation Mechanism
Malicious servers can exploit this vulnerability by setting cookies for unrelated domains, potentially accessing sensitive information intended for other domains.
Mitigation and Prevention
To address CVE-2022-29248, immediate steps are recommended along with long-term security practices to prevent similar vulnerabilities in the future.
Immediate Steps to Take
As a workaround, users can turn off the cookie middleware and ensure Guzzle is updated to versions 6.5.6 or 7.4.3.
Long-Term Security Practices
Implement secure coding practices and regularly update Guzzle to the latest versions to mitigate future vulnerabilities.
Patching and Updates
Guzzle versions 6.5.6 and 7.4.3 contain patches for this vulnerability, and users are advised to update to these secure versions promptly.