OpenRC up to 0.44.6 strlen memory corruption

HistoryDiffrelatejsonxmlCTI

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in OpenRC up to 0.44.6. Impacted is the function strlen. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2021-42341. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenRC up to 0.44.6. It has been rated as critical. This issue affects the function strlen. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/14/2021 as 459. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-42341 since 10/14/2021. Technical details are known, but no exploit is available.

Upgrading to version 0.44.7 eliminates this vulnerability. Applying the patch bb8334104baf4d5a4a442a8647fb9204738f2204 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.

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

Productinfo

Name

OpenRC

Version

License

open-source

Website

Product: https://github.com/OpenRC/openrc/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: OpenRC 0.44.7
Patch: bb8334104baf4d5a4a442a8647fb9204738f2204

Timelineinfo

10/14/2021 🔍
10/14/2021 +0 days 🔍
10/14/2021 +0 days 🔍
10/20/2021 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: 459
Status: Confirmed

CVE: CVE-2021-42341 (🔍)
GCVE (CVE): GCVE-0-2021-42341
GCVE (VulDB): GCVE-100-184409

Entryinfo

Created: 10/14/2021 15:36
Updated: 10/20/2021 14:22
Changes: 10/14/2021 15:36 (41), 10/20/2021 14:19 (1), 10/20/2021 14:22 (1)
Complete: 🔍
Cache ID: 216::103