libmaxminddb up to 1.4.2 maxminddb.c dump_entry_data_list heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in libmaxminddb up to 1.4.2. This vulnerability affects the function dump_entry_data_list of the file maxminddb.c. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2020-28241. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in libmaxminddb up to 1.4.2. Affected by this vulnerability is the function dump_entry_data_list of the file maxminddb.c. 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 weakness was released 11/06/2020. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-28241. The exploitation appears 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 239978 (TencentOS Server 3: libmaxminddb (TSSA-2024:0058)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.4.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (239978). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239978
Nessus Name: TencentOS Server 3: libmaxminddb (TSSA-2024:0058)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libmaxminddb 1.4.3

Timelineinfo

11/06/2020 🔍
11/06/2020 +0 days 🔍
11/06/2020 +0 days 🔍
06/17/2025 +1684 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-28241 (🔍)
GCVE (CVE): GCVE-0-2020-28241
GCVE (VulDB): GCVE-100-164431

Entryinfo

Created: 11/06/2020 10:59
Updated: 06/17/2025 19:12
Changes: 11/06/2020 10:59 (39), 12/03/2020 09:19 (2), 12/03/2020 09:23 (18), 06/17/2025 19:12 (17)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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