CVE-2022-31042 Failure to strip the Cookie header on change in host or HTTP downgrade in Guzzle
Attackers can steal sensitive Cookie headers when Guzzle follows redirects to different hosts or downgrades to HTTP, exposing session data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-31042?
CVE-2022-31042 is a high-severity vulnerability in Debian Debian Linux, published on 9 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Guzzle is an open source PHP HTTP client. In affected versions the `Cookie` headers on requests are sensitive information. On making a request using the `https` scheme to a server which responds with a redirect to a URI with the `http` scheme, or on making a request to a server which responds with a redirect to a a URI to a different host, we should not forward the `Cookie` header on. Prior to this fix, only cookies that were managed by our cookie middleware would be safely removed, and any `Cookie` header manually added to the initial request would not be stripped. We now always strip it, and allow the cookie middleware to re-add any cookies that it deems should be there. Affected Guzzle 7 users should upgrade to Guzzle 7.4.4 as soon as possible. Affected users using any earlier series of Guzzle should upgrade to Guzzle 6.5.7 or 7.4.4. Users unable to upgrade may consider an alternative approach to use your own redirect middleware, rather than ours. If you do not require or expect redirects to be followed, one should simply disable redirects all together.
Which versions are affected by CVE-2022-31042?
It affects 3 products.
Products include Debian Debian Linux, Drupal Drupal, Guzzlephp Guzzle.
How do I fix CVE-2022-31042?
Upgrade to a fixed version.
Is CVE-2022-31042 being exploited?
There is no known exploitation of CVE-2022-31042 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLSA-2026-1783386132, DEBIAN-CVE-2022-31042, UBUNTU-CVE-2022-31042.