漏洞信息
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Vulnerability Title
Nano: gnu nano: arbitrary memory writes, information disclosure, or denial of service via format string vulnerability in error handling.
Vulnerability Description
A flaw was found in GNU nano's multi-buffer error message handling. When a user opens multiple files at startup and one triggers an ALERT-level error, a specially crafted filename containing printf format specifiers can be reinterpreted. This format string vulnerability may allow an attacker to achieve stack information disclosure, cause a denial of service (crash), or potentially perform arbitrary memory writes.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H
Vulnerability Type
使用外部控制的格式字符串
Vulnerability Title
GNU nano 格式化字符串错误漏洞
Vulnerability Description
GNU nano是美国GNU基金会开源的一个命令行文本编辑器。 GNU nano存在格式化字符串错误漏洞,该漏洞源于GNU nano的多缓冲区错误消息处理中存在格式字符串漏洞,当用户在启动时打开多个文件且其中一个触发ALERT级错误时,包含printf格式说明符的特制文件名可能被重新解释,导致栈信息泄露、拒绝服务或内存写入。
CVSS Information
N/A
Vulnerability Type
N/A