VDB-246981 · CVE-2023-45842 · TALOS-2023-1844

Buildroot 2023.08.1/622698d7847 code download

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Buildroot 2023.08.1/622698d7847. It has been rated as problematic. This impacts an unknown function. Performing a manipulation results in code download. This vulnerability is identified as CVE-2023-45842. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Buildroot 2023.08.1/622698d7847. This affects an unknown function. The manipulation with an unknown input leads to a code download vulnerability. CWE is classifying the issue as CWE-494. The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `mxsldr` package.

The weakness was released 12/05/2023 as TALOS-2023-1844. The advisory is shared at talosintelligence.com. This vulnerability is uniquely identified as CVE-2023-45842 since 10/13/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1495 for this issue.

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

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Productinfo

Name

Buildroot

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (Talos): 🔍

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: Code download
CWE: CWE-494
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/13/2023 🔍
12/05/2023 +53 days 🔍
12/05/2023 +0 days 🔍
12/05/2023 +0 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1844
Status: Not defined

CVE: CVE-2023-45842 (🔍)
GCVE (CVE): GCVE-0-2023-45842
GCVE (VulDB): GCVE-100-246981

Entryinfo

Created: 12/05/2023 14:28
Changes: 12/05/2023 14:28 (47)
Complete: 🔍
Cache ID: 216::103