CVE-2020-7070
Published: October 2, 2020Last modified: November 8, 2023
Description
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like __Host confused with cookies that decode to such prefix, thus leading to an attacker being able to forge cookie which is supposed to be secure. See also CVE-2020-8184 for more information.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | LOW |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | php81 | Not affected (8.1.22-r0) |
| Stream | php81 | Not affected (8.1.22-r0) |
References
- http://cve.circl.lu/cve/CVE-2020-8184
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.html
- https://bugs.php.net/bug.php?id=79699
- https://hackerone.com/reports/895727
- https://lists.debian.org/debian-lts-announce/2020/10/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/
- https://security.gentoo.org/glsa/202012-16
- https://security.netapp.com/advisory/ntap-20201016-0001/
- https://usn.ubuntu.com/4583-1/
- https://www.debian.org/security/2021/dsa-4856
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.tenable.com/security/tns-2021-14