CVE-2024-2756: __Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fix
First published: Thu Apr 11 2024(Updated: )
Due to an incomplete fix to CVE-2022-31629 https://github.com/advisories/GHSA-c43m-486j-j32p , network and same-site attackers can set a standard insecure cookie in the victim's browser which is treated as a __Host- or __Secure- cookie by PHP applications.
Credit: security@php.net security@php.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/php7.0 | <7.0.33-0ubuntu0.16.04.16+ | 7.0.33-0ubuntu0.16.04.16+ |
| ubuntu/php7.2 | <7.2.24-0ubuntu0.18.04.17+ | 7.2.24-0ubuntu0.18.04.17+ |
| ubuntu/php7.4 | <7.4.3-4ubuntu2.22 | 7.4.3-4ubuntu2.22 |
| ubuntu/php8.1 | <8.1.2-1ubuntu2.17 | 8.1.2-1ubuntu2.17 |
| ubuntu/php8.1 | <8.1.28 | 8.1.28 |
| ubuntu/php8.2 | <8.2.10-2ubuntu2.1 | 8.2.10-2ubuntu2.1 |
| ubuntu/php8.2 | <8.2.18 | 8.2.18 |
| ubuntu/php8.3 | <8.3.6-0 | 8.3.6-0 |
| ubuntu/php8.3 | <8.3.6 | 8.3.6 |
| debian/php7.4 | 7.4.33-1+deb11u5 | |
| debian/php8.2 | 8.2.20-1~deb12u1 8.2.23-1 | |
| redhat/php | <8.1.28 | 8.1.28 |
| redhat/php | <8.2.18 | 8.2.18 |
| redhat/php | <8.3.6 | 8.3.6 |
| PHP | <8.1.28 | 8.1.28 |
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Reference Links
- https://www.php.net/ChangeLog-8.php#8.1.28 (Advisory)
- https://www.cve.org/CVERecord?id=CVE-2024-2756
- https://github.com/php/php-src/security/advisories/GHSA-wpj3-hf5j-x4v4
- https://ubuntu.com/security/notices/USN-6757-1
- https://ubuntu.com/security/notices/USN-6757-2
- https://nvd.nist.gov/vuln/detail/CVE-2024-2756
- https://launchpad.net/bugs/cve/CVE-2024-2756
- https://security-tracker.debian.org/tracker/CVE-2024-2756
- https://github.com/php/php-src/commit/093c08af25fb323efa0c8e6154aa9fdeae3d3b53
- https://ubuntu.com/security/CVE-2024-2756
- http://www.openwall.com/lists/oss-security/2024/04/12/11
- https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html
- https://security.netapp.com/advisory/ntap-20240510-0008/
- https://access.redhat.com/security/cve/CVE-2022-31629
- https://bugs.php.net/bug.php?id=81727
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2275059
- https://access.redhat.com/errata/RHSA-2024:10952
- https://access.redhat.com/errata/RHSA-2024:10950
- https://access.redhat.com/errata/RHSA-2024:10949
- https://access.redhat.com/errata/RHSA-2024:10951
- https://bugzilla.redhat.com/show_bug.cgi?id=2275058
Frequently Asked Questions
What is the severity of CVE-2024-2756?
CVE-2024-2756 has been classified as a high severity vulnerability due to the potential for attackers to manipulate cookie handling in PHP applications.
How do I fix CVE-2024-2756?
To fix CVE-2024-2756, upgrade PHP to the latest available version that addresses this vulnerability, such as 8.1.28 or higher.
What versions of PHP are affected by CVE-2024-2756?
CVE-2024-2756 affects multiple PHP versions including 7.0.x, 7.2.x, 7.4.x, 8.1.x, and 8.2.x prior to the respective patched releases.
Is CVE-2024-2756 a result of a previous vulnerability?
Yes, CVE-2024-2756 is an incomplete fix to the previously reported CVE-2022-31629.
Can CVE-2024-2756 be exploited remotely?
Yes, CVE-2024-2756 can potentially be exploited by remote attackers, making it a significant security concern.
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