VDB-183471 · CVE-2021-41096 · GHSA-32m7-456v-wgfw

Rucky up to 2.2 on Android risky encryption

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Rucky up to 2.2 on Android. This affects an unknown part. Performing a manipulation results in risky encryption. This vulnerability is identified as CVE-2021-41096. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Rucky up to 2.2 on Android (Android App Software). It has been classified as problematic. This affects an unknown functionality. The manipulation with an unknown input leads to a risky encryption vulnerability. CWE is classifying the issue as CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. This is going to have an impact on confidentiality.

The weakness was released 09/28/2021 as GHSA-32m7-456v-wgfw. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-41096 since 09/15/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

Upgrading to version 2.3 eliminates this vulnerability. Applying the patch 5e3a477365009f488a73efd26a91168502de1b93 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Android App Software

Name

Rucky

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Risky encryption
CWE: CWE-327 / CWE-310
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Rucky 2.3
Patch: 5e3a477365009f488a73efd26a91168502de1b93

Timelineinfo

09/15/2021 🔍
09/28/2021 +13 days 🔍
09/28/2021 +0 days 🔍
10/03/2021 +5 days 🔍

Sourcesinfo

Advisory: GHSA-32m7-456v-wgfw
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41096 (🔍)
GCVE (CVE): GCVE-0-2021-41096
GCVE (VulDB): GCVE-100-183471
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 09/28/2021 10:10
Updated: 10/03/2021 09:55
Changes: 09/28/2021 10:10 (52), 10/03/2021 09:55 (2)
Complete: 🔍
Cache ID: 216::103