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CVE-2020-7069

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-4583-1
Posted Oct 14, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4583-1 - It was discovered that PHP incorrectly handled certain encrypt ciphers. An attacker could possibly use this issue to decrease security or cause incorrect encryption data. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that PHP incorrectly handled certain HTTP cookies. An attacker could possibly use this issue to forge cookie which is supposed to be secure. Various other issues were also addressed.

tags | advisory, web, php
systems | linux, ubuntu
advisories | CVE-2020-7069, CVE-2020-7070
MD5 | 12cf9b32480b82e7ad683d2a4b2e6274
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