CVE-2022-31090: CURLOPT_HTTPAUTH option not cleared on change of origin in Guzzle
First published: Mon Jun 20 2022(Updated: )
### Impact `Authorization` headers on requests are sensitive information. When using our Curl handler, it is possible to use the `CURLOPT_HTTPAUTH` option to specify an `Authorization` header. On making a request which responds with a redirect to a URI with a different origin, if we choose to follow it, we should remove the `CURLOPT_HTTPAUTH` and `CURLOPT_USERPWD` options before continuing, stopping curl from appending the `Authorization` header to the new request. Previously, we would only consider a change in host. Now, we consider any change in host, port or scheme to be a change in origin. ### Patches Affected Guzzle 7 users should upgrade to Guzzle 7.4.5 as soon as possible. Affected users using any earlier series of Guzzle should upgrade to Guzzle 6.5.8 or 7.4.5. Note that a partial fix was implemented in Guzzle 7.4.2, where a change in host would trigger removal of the curl-added Authorization header, however this earlier fix did not cover change in scheme or change in port. ### Workarounds If you do not require or expect redirects to be followed, one should simply disable redirects all together. Alternatively, one can specify to use the Guzzle stream handler backend, rather than curl. ### References * [RFC9110 Section 15.4](https://www.rfc-editor.org/rfc/rfc9110.html#name-redirection-3xx) * [CVE-2022-27776](https://curl.se/docs/CVE-2022-27776.html) ### For more information If you have any questions or comments about this advisory, please get in touch with us in `#guzzle` on the [PHP HTTP Slack](https://php-http.slack.com/). Do not report additional security advisories in that public channel, however - please follow our [vulnerability reporting process](https://github.com/guzzle/guzzle/security/policy).
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/guzzlehttp/guzzle | >=7<7.4.5>=4<6.5.8 | |
| composer/guzzlehttp/guzzle | >=7.0.0<7.4.5 | 7.4.5 |
| composer/guzzlehttp/guzzle | <6.5.8 | 6.5.8 |
| debian/guzzle | 7.4.5-1 | |
| debian/mediawiki | 1:1.31.16-1+deb10u2 1:1.31.16-1+deb10u6 1:1.35.11-1~deb11u1 1:1.35.13-1~deb11u1 1:1.39.4-1~deb12u1 1:1.39.5-1~deb12u1 1:1.39.5-1 | |
| guzzlephp Guzzle | <6.5.8 | |
| guzzlephp Guzzle | >=7.0.0<7.4.5 | |
| Debian Debian Linux | =11.0 |
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Reference Links
- https://github.com/guzzle/guzzle/security/advisories/GHSA-25mq-v84q-4j7r
- https://github.com/guzzle/guzzle/blob/6.5.8/CHANGELOG.md
- https://github.com/guzzle/guzzle/blob/7.4.5/CHANGELOG.md
- https://github.com/FriendsOfPHP/security-advisories/blob/master/guzzlehttp/guzzle/CVE-2022-31090.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2022-31090
- https://github.com/guzzle/guzzle/commit/1dd98b0564cb3f6bd16ce683cb755f94c10fbd82
- https://www.debian.org/security/2022/dsa-5246
- https://security.gentoo.org/glsa/202305-24
- https://github.com/advisories/GHSA-25mq-v84q-4j7r (Advisory)
- https://security-tracker.debian.org/tracker/CVE-2022-31090
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-31090.
What is the impact of the vulnerability?
The impact of the vulnerability is sensitive information exposure.
Which software versions are affected by this vulnerability?
The software versions affected are Guzzlephp Guzzle up to version 6.5.8, Guzzlephp Guzzle versions between 7.0.0 and 7.4.5, and Debian Debian Linux version 11.0.
How severe is the vulnerability?
The vulnerability has a severity score of 7.7 (high).
How can I fix the vulnerability?
To fix the vulnerability, update to Guzzlephp Guzzle version 7.4.5 or later, or apply the appropriate security patches for Debian Debian Linux version 11.0.
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