CVE-2020-5213— NetHack SYMBOL configuration file option is subject to a buffer overflow
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I. Basic Information for CVE-2020-5213
Vulnerability Information
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Vulnerability Title
NetHack SYMBOL configuration file option is subject to a buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
In NetHack before 3.6.5, too long of a value for the SYMBOL 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
NetHack 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NetHack是一款角色扮演类单人游戏。 NetHack 3.6.5之前版本中的SYMBOL配置文件项存在缓冲区错误漏洞。远程攻击者可借助特制请利用该漏洞导致拒绝服务或提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2020-5213
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- https://github.com/NetHack/NetHack/security/advisories/GHSA-rr25-4v34-pr7vx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-5213
Same Patch Batch · NetHack · 2020-01-28 · 6 CVEs total
| CVE-2020-5209 | 5.0 MEDIUM | NetHack command line parsing of options starting with -de and -i is subject to a buffer ov |
| CVE-2020-5210 | 5.0 MEDIUM | NetHack command line -w option parsing is subject to a buffer overflow |
| CVE-2020-5211 | 5.0 MEDIUM | NetHack AUTOCOMPLETE configuration file option is subject to a buffer overflow |
| CVE-2020-5212 | 5.0 MEDIUM | NetHack MENUCOLOR configuration file option is subject to a buffer overflow |
| CVE-2020-5214 | 5.0 MEDIUM | NetHack error recovery after syntax error in configuration file is subject to a buffer ove |
IV. Related Vulnerabilities
Same product: NetHack
- CVE-2023-24809
NetHack Call command buffer overflow - CVE-2020-5254
NetHack hilite_status parsing privilege escalation - CVE-2020-5253
Privilege escalation in NetHack - CVE-2020-5211
NetHack AUTOCOMPLETE configuration file option is subject to - CVE-2020-5212
NetHack MENUCOLOR configuration file option is subject to a
Same vendor: NetHack
- CVE-2023-24809
NetHack Call command buffer overflow - CVE-2020-5254
NetHack hilite_status parsing privilege escalation - CVE-2020-5253
Privilege escalation in NetHack - CVE-2020-5211
NetHack AUTOCOMPLETE configuration file option is subject to - CVE-2020-5212
NetHack MENUCOLOR configuration file option is subject to a
Same weakness: CWE-120
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