CVE-2020-7065

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.

References

Affected packages

Git / github.com/php/php-src

Affected ranges

Type

GIT

Repo

https://github.com/php/php-src

Events

Introduced

52ace952a1b65ca80fc2617f11c2fa6dd03f51bd

Fixed

4e330d3d488c232ad5f9769f1fa9471c9b5ad088

Introduced

3c7824e16ec4c3cee417262445d2c2b66531c10f

Fixed

acfdeccb2ee5821138a8d68b12177daff1e63e41

Database specific

{
    "versions": [
        {
            "introduced": "7.3.0"
        },
        {
            "fixed": "7.3.16"
        },
        {
            "introduced": "7.4.0"
        },
        {
            "fixed": "7.4.4"
        }
    ]
}

Database specific

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "19.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "20.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.19.0"
            }
        ]
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-7065.json"