Oniguruma 6.9.2 regext.c onig_new_deluxe() Regular Expression memory corruption

A vulnerability was found in Oniguruma 6.9.2 and classified as critical. This issue affects the function onig_new_deluxe() of the file regext.c. The manipulation as part of a Regular Expression leads to a memory corruption vulnerability (Use-After-Free). Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 07/10/2019 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2019-13224 since 07/03/2019. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/11/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry 137688 is pretty similar.

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.1

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Use-After-Free (CWE-119)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

07/03/2019 CVE assigned
07/10/2019 +7 days Advisory disclosed
07/11/2019 +1 days VulDB entry created
07/11/2019 +0 days VulDB last updateAdvisory: github.com
Status: Unconfirmed

CVE: CVE-2019-13224 (🔒)
See also: 🔒

Created: 07/11/2019 11:28 AM
Complete: 🔍

Comments are closed.