BusyBox up to 1.33.2 unlzma Applet out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in BusyBox. Impacted is an unknown function of the component unlzma Applet. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2021-42374. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in BusyBox. It has been declared as problematic. This vulnerability affects an unknown code block of the component unlzma Applet. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 11/17/2021. The advisory is available at jfrog.com. This vulnerability was named CVE-2021-42374 since 10/14/2021. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 214387 (Debian dla-4019 : busybox - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.34.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (214387). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214387
Nessus Name: Debian dla-4019 : busybox - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BusyBox 1.34.0

Timelineinfo

10/14/2021 🔍
11/17/2021 +34 days 🔍
11/17/2021 +0 days 🔍
05/06/2025 +1266 days 🔍

Sourcesinfo

Advisory: jfrog.com
Status: Confirmed

CVE: CVE-2021-42374 (🔍)
GCVE (CVE): GCVE-0-2021-42374
GCVE (VulDB): GCVE-100-186730

Entryinfo

Created: 11/17/2021 17:02
Updated: 05/06/2025 02:57
Changes: 11/17/2021 17:02 (37), 11/19/2021 13:41 (1), 11/19/2021 13:46 (18), 11/19/2021 13:53 (1), 01/19/2025 15:57 (17), 05/06/2025 02:57 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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