NetHack up to 3.6.7 Call Command buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in NetHack up to 3.6.7. Affected by this issue is an unknown part of the component Call Command Handler. The manipulation with an unknown input 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:

NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the "C" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.

The weakness was published 02/18/2023 as GHSA-2cqv-5w4v-mgch. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-24809 since 01/30/2023. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-147543, VDB-147578, VDB-149495 and VDB-149496.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

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

CNA Base Score: 5.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2023 🔍
02/18/2023 +19 days 🔍
02/18/2023 +0 days 🔍
02/18/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-2cqv-5w4v-mgch
Status: Confirmed

CVE: CVE-2023-24809 (🔍)
See also: 🔍

Entryinfo

Created: 02/18/2023 08:14
Changes: 02/18/2023 08:14 (48)
Complete: 🔍
Cache ID: 3:7F2:103

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