CVE-2020-28241
libmaxminddb: improper initialization in dump_entry_data_list() in maxminddb.c
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
libmaxminddb versiones anteriores a 1.4.3, presenta una lectura excesiva del búfer en la región heap de la memoria en la función dump_entry_data_list en el archivo maxminddb.c
An improper initialization issue was found in libmaxminddb. A remote user could exploit this flaw by sending a specially crafted MaxMind DB file that, when parsed by an application linked to libmaxminddb, would possibly crash the application, resulting in a denial of service condition.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-11-06 CVE Reserved
- 2020-11-06 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2024-09-27 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-125: Out-of-bounds Read
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2020/11/msg00019.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/maxmind/libmaxminddb/issues/236 | 2024-08-04 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/maxmind/libmaxminddb/compare/1.4.2...1.4.3 | 2023-11-07 | |
| https://github.com/maxmind/libmaxminddb/pull/237 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Maxmind Search vendor "Maxmind" | Libmaxminddb Search vendor "Maxmind" for product "Libmaxminddb" | < 1.4.3 Search vendor "Maxmind" for product "Libmaxminddb" and version " < 1.4.3" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 32 Search vendor "Fedoraproject" for product "Fedora" and version "32" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||