CVE-2020-5214: NetHack error recovery after syntax error in configuration file is subject to a buffer overflow
First published: Tue Jan 28 2020(Updated: )
In NetHack before 3.6.5, detecting an unknown 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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NetHack | <3.6.5 |
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Frequently Asked Questions
What is the severity of CVE-2020-5214?
CVE-2020-5214 has a high severity due to its potential for buffer overflow, which can lead to remote code execution and privilege escalation.
How do I fix CVE-2020-5214?
To fix CVE-2020-5214, upgrade to NetHack version 3.6.5 or later, ensuring that the application is not running with suid/sgid privileges.
What versions of NetHack are affected by CVE-2020-5214?
NetHack versions prior to 3.6.5 are affected by CVE-2020-5214 and may be vulnerable to exploitation.
Can CVE-2020-5214 be exploited remotely?
Yes, CVE-2020-5214 can be exploited remotely, especially in shared systems that allow unrestricted user uploads.
What are the potential impacts of CVE-2020-5214?
The potential impacts of CVE-2020-5214 include application crashes, unauthorized access, and execution of arbitrary code.
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