NetHack up to 3.6.4 Configuration MENUCOLOR buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.0 | $0-$5k | 0.00 |
A vulnerability was found in NetHack up to 3.6.4. It has been rated as critical. Affected by this issue is some unknown processing of the component Configuration Handler. The manipulation of the argument MENUCOLOR
as part of a Configuration File leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:
In NetHack before 3.6.5, an extremely long value for the MENUCOLOR configuration file option can cause a buffer overflow resulting in a crash or remote code execution/privilege escalation. This vulnerability affects systems that have NetHack installed suid/sgid and shared systems that allow users to upload their own configuration files. Users should upgrade to NetHack 3.6.5.
The weakness was presented 01/28/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2020-5212 since 01/02/2020. Local access is required to approach this attack. Required for exploitation is a simple authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
Upgrading to version 3.6.5 eliminates this vulnerability.
See VDB-149500, VDB-149499, VDB-149497 and VDB-149496 for similar entries.
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: 5.2VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.7
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.0
NVD Vector: 🔍
CNA Base Score: 5.0
CNA Vector (GitHub, Inc.): 🔍
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: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
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: NetHack 3.6.5
Timeline
01/02/2020 🔍01/28/2020 🔍
01/29/2020 🔍
03/27/2024 🔍
Sources
Advisory: GHSA-g89f-m829-4m56Status: Not defined
CVE: CVE-2020-5212 (🔍)
See also: 🔍
Entry
Created: 01/29/2020 06:53 AMUpdated: 03/27/2024 11:09 AM
Changes: 01/29/2020 06:53 AM (41), 01/29/2020 06:58 AM (11), 03/27/2024 11:04 AM (17), 03/27/2024 11:09 AM (18)
Complete: 🔍
Cache ID: 18:76C:40
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