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Sources : US Cert, Cert EU, Cert FR, Cnil, VulDB.

jeudi 21 février 2019

PHP up to 5.6.39/7.1.25/7.2.13/7.3.0 Regular Expression regcomp.c memory corruption

A vulnerability classified as critical has been found in PHP up to 5.6.39/7.1.25/7.2.13/7.3.0 (Programming Language Software). Affected is an unknown function of the file ext/mbstring/oniguruma/regcomp.c of the component Regular Expression. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). CWE is classifying the issue as CWE-122. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/22/2019. This vulnerability is traded as CVE-2019-9023 since 02/22/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (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.

The entries 131109, 131110, 131111 and 131113 are pretty similar.

CPE

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-2019-9023 (🔒)
See also: 🔒

Entry

Created: 02/23/2019
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 144

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