A vulnerability was found in PHP up to 5.6.39/7.1.25/7.2.13/7.3.0 (Programming Language Software). It has been declared as critical. This vulnerability affects the function phar_detect_phar_fname_ext of the file ext/phar/phar.c of the component phar. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 02/22/2019. This vulnerability was named CVE-2019-9021 since 02/22/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/23/2019).

Upgrading to version 5.6.40, 7.1.26, 7.2.14 or 7.3.1 eliminates this vulnerability.

Similar entries are available at 131109, 131111, 131112 and 131113.

CPE

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CVSSv3

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploiting

Class: Memory corruption / Heap-based (CWE-122)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: Upgrade
Status: 🔍
0-Day Time: 🔒

Upgrade: PHP 5.6.40/7.1.26/7.2.14/7.3.1

Timeline

02/22/2019 Advisory disclosed
02/22/2019 CVE assigned
02/23/2019 VulDB entry created
02/23/2019 VulDB last update

Sources

CVE: CVE-2019-9021 (🔒)
See also: 🔒

Entry

Created: 02/23/2019
Complete: 🔍

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