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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
3 years ago
Modified
Modified
3 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.