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PHP < 7.2.33, 7.3 < 7.3.21, 7.4 < 7.4.9 DoS Vulnerability - August20 (Linux)

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

4.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

PHP is prone to a denial of service vulnerability in the phar_parse_zipfile function.

Insight

Insight

The phar_parse_zipfile function had use-after-free vulnerability because of mishandling of the actual_alias variable.

Affected Software

Affected Software

PHP versions prior 7.2.33, 7.3 prior 7.3.21 and 7.4 prior to 7.4.9.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 7.2.33, 7.3.21, 7.4.9 or later.

Common Vulnerabilities and Exposures (CVE)