CVE-2020-7069
Vulnerability Summary
Timeline
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 Metrics
- v3.1•MEDIUM•Score: 5.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- v2.0•MEDIUM•Score: 6.4AV:N/AC:L/Au:N/C:P/I:P/A:N
EPSS Trends
Current EPSS score: 8.35%• Percentile: 92%
Techniques & Countermeasures
- CWE-326•Inadequate Encryption Strength
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.
- CWE-20•Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 16.04 | 18.04 | 20.04
- debian•debian_linux
10.0
- fedoraproject•fedora
31 | 32 | 33
- netapp•clustered_data_ontap
na
- opensuse•leap
15.1 | 15.2
- oracle•communications_diameter_signaling_router
≥ 8.0.0, ≤ 8.5.0
- Unknown•PHP
≥ 7.3.x, < 7.3.23 | ≥ 7.4.x, < 7.4.11 | ≥ 7.2.x, < 7.2.34
- Unknown•PHP
≥ 7.2.0, < 7.2.34 | ≥ 7.3.0, < 7.3.23 | ≥ 7.4.0, < 7.4.11
- tenable•tenable.sc
< 5.19.0
References (13)
- https://bugs.php.net/bug.php?id=79601
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/
- 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/
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.html
- https://usn.ubuntu.com/4583-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.html
- https://security.gentoo.org/glsa/202012-16
- https://www.debian.org/security/2021/dsa-4856
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security.netapp.com/advisory/ntap-20201016-0001/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.tenable.com/security/tns-2021-14