CVE-2020-7069 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Reference

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=79601 https://lists.fedoraproject.org/archives/list/[email protected]/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/ https://lists.fedoraproject.org/archives/list/[email protected]/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/ https://lists.fedoraproject.org/archives/list/[email protected]/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/ https://security.netapp.com/advisory/ntap-20201016-0001/ https://usn.ubuntu.com/4583-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.5