VDB-213417 · CVE-2022-36938 · EUVD-2022-39596

Redex APK File get_stringidx_fromdex untrusted pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Redex. The affected element is the function get_stringidx_fromdex of the component APK File Handler. Performing a manipulation results in untrusted pointer dereference. This vulnerability is reported as CVE-2022-36938. The attack is possible to be carried out remotely. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical has been found in Redex (affected version unknown). This affects the function get_stringidx_fromdex of the component APK File Handler. The manipulation with an unknown input leads to a untrusted pointer dereference vulnerability. CWE is classifying the issue as CWE-822. The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

DexLoader function get_stringidx_fromdex() in Redex prior to commit 3b44c64 can load an out of bound address when loading the string index table, potentially allowing remote code execution during processing of a 3rd party Android APK file.

The weakness was disclosed 11/11/2022 as 3b44c640346b77bfb7ef36e2413688dd460288d2. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-36938 since 07/27/2022. Technical details are known, but no exploit is available.

Applying the patch 3b44c640346b77bfb7ef36e2413688dd460288d2 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-39596). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Redex

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Untrusted pointer dereference
CWE: CWE-822
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 3b44c640346b77bfb7ef36e2413688dd460288d2

Timelineinfo

07/27/2022 🔍
11/11/2022 +107 days 🔍
11/11/2022 +0 days 🔍
06/18/2026 +1314 days 🔍

Sourcesinfo

Advisory: 3b44c640346b77bfb7ef36e2413688dd460288d2
Status: Confirmed

CVE: CVE-2022-36938 (🔍)
GCVE (CVE): GCVE-0-2022-36938
GCVE (VulDB): GCVE-100-213417
EUVD: 🔍

Entryinfo

Created: 11/11/2022 06:59
Updated: 06/18/2026 01:17
Changes: 11/11/2022 06:59 (41), 12/17/2022 07:27 (12), 06/18/2026 01:17 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.