VDB-230479 · CVE-2023-33552 · EUVD-2023-37709

erofs-utils 1.6 erofs Filesystem Image data.c erofs_read_one_data heap-based overflow

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in erofs-utils 1.6. The impacted element is the function erofs_read_one_data of the file data.c of the component erofs Filesystem Image Handler. This manipulation causes heap-based overflow. The identification of this vulnerability is CVE-2023-33552. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in erofs-utils 1.6. It has been declared as critical. Affected by this vulnerability is the function erofs_read_one_data of the file data.c of the component erofs Filesystem Image Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

The weakness was shared 06/01/2023. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-33552 since 05/22/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/05/2026).

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 vulnerability database at EUVD (EUVD-2023-37709). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

erofs-utils

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

05/22/2023 🔍
06/01/2023 +10 days 🔍
06/01/2023 +0 days 🔍
01/05/2026 +949 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-33552 (🔍)
GCVE (CVE): GCVE-0-2023-33552
GCVE (VulDB): GCVE-100-230479
EUVD: 🔍

Entryinfo

Created: 06/01/2023 19:26
Updated: 01/05/2026 02:31
Changes: 06/01/2023 19:26 (39), 06/29/2023 06:52 (11), 01/09/2025 22:30 (27), 01/05/2026 02:31 (1)
Complete: 🔍
Cache ID: 216::103