Vulnerability · Published Apr 27, 2020 · Assigned by php

CVE-2020-7067OOB Read in urldecode()

High 7.5

In plain English

A high-severity out-of-bounds read in PHP from PHP Group. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.3% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)4.3%top 8.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.

Affected products (as reported)

VendorProductVersions
PHP Group PHP 7.2.x below 7.2.307.3.x below 7.3.17 and 7.4.x below 7.4.5

Weakness: CWE-125, CWE-196 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References