busybox 1.30.1/1.33.2 CPIO Archive path traversal

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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in busybox 1.30.1/1.33.2 and classified as critical. This vulnerability affects unknown code of the component CPIO Archive Handler. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2023-39810. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in busybox 1.30.1/1.33.2. This vulnerability affects an unknown code of the component CPIO Archive Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

The weakness was released 08/28/2023 by Tobias Ospelt and Martin Schobert with Pentagrid AG. The advisory is available at pentagrid.ch. This vulnerability was named CVE-2023-39810. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 235434 (Azure Linux 3.0 Security Update: busybox (CVE-2023-39810)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (235434) and EUVD (EUVD-2023-43510). 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: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.8
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 235434
Nessus Name: Azure Linux 3.0 Security Update: busybox (CVE-2023-39810)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
08/28/2023 +21 days 🔍
08/28/2023 +0 days 🔍
01/26/2026 +882 days 🔍

Sourcesinfo

Advisory: pentagrid.ch
Researcher: Tobias Ospelt, Martin Schobert
Organization: Pentagrid AG
Status: Not defined

CVE: CVE-2023-39810 (🔍)
GCVE (CVE): GCVE-0-2023-39810
GCVE (VulDB): GCVE-100-238186
EUVD: 🔍

Entryinfo

Created: 08/28/2023 13:42
Updated: 01/26/2026 12:36
Changes: 08/28/2023 13:42 (35), 08/28/2023 13:43 (3), 09/20/2023 20:10 (1), 09/20/2023 20:17 (11), 04/24/2025 07:07 (16), 05/07/2025 21:05 (2), 01/26/2026 12:36 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!