libmaxminddb up to 1.4.2 maxminddb.c dump_entry_data_list heap-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.7 | $0-$5k | 0.00 |
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.
Upgrading to version 1.4.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.0VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: libmaxminddb 1.4.3
Timeline
11/06/2020 🔍11/06/2020 🔍
11/06/2020 🔍
12/03/2020 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2020-28241 (🔍)
Entry
Created: 11/06/2020 10:59Updated: 12/03/2020 09:23
Changes: 11/06/2020 10:59 (39), 12/03/2020 09:19 (2), 12/03/2020 09:23 (18)
Complete: 🔍
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