GreycLab Clmg up to 3.3.2 File _load_analyze heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in GreycLab Clmg up to 3.3.2. Impacted is the function cimg_library::CImg::_load_analyze of the component File Handler. Performing a manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2024-26540. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in GreycLab Clmg up to 3.3.2. This affects the function cimg_library::CImg::_load_analyze of the component File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A heap-based buffer overflow in Clmg before 3.3.3 can occur via a crafted file to cimg_library::CImg::_load_analyze.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2024-26540 since 02/19/2024. The exploitability is told to be easy. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 234347 (Ubuntu 18.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : CImg library vulnerabilities (USN-7437-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.3.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234347). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 234347
Nessus Name: Ubuntu 18.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : CImg library vulnerabilities (USN-7437-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Clmg 3.3.3

Timelineinfo

02/19/2024 🔍
03/15/2024 +25 days 🔍
03/15/2024 +0 days 🔍
04/15/2025 +396 days 🔍

Sourcesinfo

Advisory: 403
Status: Confirmed

CVE: CVE-2024-26540 (🔍)
GCVE (CVE): GCVE-0-2024-26540
GCVE (VulDB): GCVE-100-256899

Entryinfo

Created: 03/15/2024 01:49
Updated: 04/15/2025 13:33
Changes: 03/15/2024 01:49 (41), 04/15/2024 19:05 (15), 08/27/2024 21:23 (13), 04/15/2025 13:33 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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