VDB-149498 · CVE-2020-5212 · GHSA-g89f-m829-4m56

NetHack up to 3.6.4 Configuration MENUCOLOR buffer overflow

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5.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in NetHack up to 3.6.4. It has been declared as critical. This affects an unknown function of the component Configuration Handler. Such manipulation of the argument MENUCOLOR as part of Configuration File leads to buffer overflow. This vulnerability is listed as CVE-2020-5212. The attack must be carried out locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

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. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

NetHack

Version

Website

Product: https://github.com/NetHack/NetHack/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB 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.): 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetHack 3.6.5

Timelineinfo

01/02/2020 🔍
01/28/2020 +26 days 🔍
01/29/2020 +1 days 🔍
03/27/2024 +1519 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-g89f-m829-4m56
Status: Not defined

CVE: CVE-2020-5212 (🔍)
GCVE (CVE): GCVE-0-2020-5212
GCVE (VulDB): GCVE-100-149498
See also: 🔍

Entryinfo

Created: 01/29/2020 06:53
Updated: 03/27/2024 11:09
Changes: 01/29/2020 06:53 (41), 01/29/2020 06:58 (11), 03/27/2024 11:04 (17), 03/27/2024 11:09 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.