CVE-2020-7069

Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV

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 AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.

Categories

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 9.94% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory php.net
Affected: PHP Group PHP
Published at:
Updated at:

References

Link Tags
https://bugs.php.net/bug.php?id=79601 patch vendor advisory issue tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.html vendor advisory mailing list third party advisory
https://usn.ubuntu.com/4583-1/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.html vendor advisory mailing list third party advisory
https://security.gentoo.org/glsa/202012-16 third party advisory vendor advisory
https://www.debian.org/security/2021/dsa-4856 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory patch
https://security.netapp.com/advisory/ntap-20201016-0001/ third party advisory
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory patch
https://www.tenable.com/security/tns-2021-14 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-7069?
CVE-2020-7069 has been scored as a medium severity vulnerability.
How to fix CVE-2020-7069?
To fix CVE-2020-7069, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7069 being actively exploited in the wild?
It is possible that CVE-2020-7069 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7069?
CVE-2020-7069 affects PHP Group PHP.
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