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CVE-2021-21708

Опубликовано: 27 фев. 2022
Источник: nvd
CVSS3: 8.2
CVSS3: 9.8
CVSS2: 6.8
EPSS Низкий

Описание

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Версия от 7.4.0 (включая) до 7.4.28 (исключая)
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Версия от 8.0.0 (включая) до 8.0.16 (исключая)
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Версия от 8.1.0 (включая) до 8.1.3 (исключая)

EPSS

Процентиль: 51%
0.00279
Низкий

8.2 High

CVSS3

9.8 Critical

CVSS3

6.8 Medium

CVSS2

Дефекты

CWE-416
CWE-416

Связанные уязвимости

CVSS3: 8.2
ubuntu
больше 3 лет назад

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.

CVSS3: 9.8
redhat
больше 3 лет назад

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.

CVSS3: 8.2
debian
больше 3 лет назад

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x belo ...

suse-cvrf
больше 3 лет назад

Security update for php7

suse-cvrf
больше 3 лет назад

Security update for php7

EPSS

Процентиль: 51%
0.00279
Низкий

8.2 High

CVSS3

9.8 Critical

CVSS3

6.8 Medium

CVSS2

Дефекты

CWE-416
CWE-416