NetHack up to 3.6.4 Options -w buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in NetHack up to 3.6.4 and classified as critical. The affected element is an unknown function of the component Options Handler. The manipulation of the argument -w as part of Argument results in buffer overflow. This vulnerability is identified as CVE-2020-5210. The attack is only possible with local access. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in NetHack up to 3.6.4. It has been classified as critical. Affected is an unknown code of the component Options Handler. The manipulation of the argument -w as part of a Argument leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In NetHack before 3.6.5, an invalid argument to the -w command line 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 influence command line options. Users should upgrade to NetHack 3.6.5.

The weakness was released 01/28/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-5210 since 01/02/2020. The attack needs to be approached locally. A authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 3.6.5 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-149500, VDB-149499, VDB-149498 and VDB-149497. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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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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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetHack 3.6.5
Patch: github.com

Timelineinfo

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

Sourcesinfo

Product: github.com

Advisory: f3def5c0b999478da2d0a8f0b6a7c370a2065f77
Status: Not defined

CVE: CVE-2020-5210 (🔍)
GCVE (CVE): GCVE-0-2020-5210
GCVE (VulDB): GCVE-100-149496
See also: 🔍

Entryinfo

Created: 01/29/2020 06:52
Updated: 03/27/2024 10:47
Changes: 01/29/2020 06:52 (41), 01/29/2020 06:57 (11), 03/27/2024 10:41 (18), 03/27/2024 10:47 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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