Vulnerability Description
In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 7.2.0, < 7.2.29 |
| Tenable | Tenable.Sc | < 5.19.0 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.htmlThird Party Advisory
- https://bugs.php.net/bug.php?id=79329ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2020/04/msg00021.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200403-0001/Third Party Advisory
- https://usn.ubuntu.com/4330-2/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4717Third Party Advisory
- https://www.debian.org/security/2020/dsa-4719Third Party Advisory
- https://www.tenable.com/security/tns-2021-14PatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.htmlThird Party Advisory
- https://bugs.php.net/bug.php?id=79329ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2020/04/msg00021.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200403-0001/Third Party Advisory
- https://usn.ubuntu.com/4330-2/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4717Third Party Advisory
- https://www.debian.org/security/2020/dsa-4719Third Party Advisory
FAQ
What is CVE-2020-7066?
CVE-2020-7066 is a vulnerability with a CVSS score of 5.3 (MEDIUM). In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently trunca...
How severe is CVE-2020-7066?
CVE-2020-7066 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-7066?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Tenable Tenable.Sc, Opensuse Leap, Debian Debian Linux.