漏洞信息
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Vulnerability Title
Numeric Truncation Error in nnn
Vulnerability Description
nnn stores homelen variable as uchar_t, which can only represent values in the range 0-255. An attacker who can influence the victim's execution environment can provide an arbitrary HOME path with length that is truncated to 0. The expression (homelen - 1) is promoted to signed int and becomes -1 and producing an out-of-bounds read and an out-of-bounds write one byte before the path buffer.
Maintainer of this project was notified about this vulnerability. It might has been addressed, but the maintainer did not provide a vulnerable version range. Only version 5.2 was tested and confirmed as vulnerable.
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Vulnerability Type
数值截断错误
Vulnerability Title
Arun Prakash Jana nnn 数字错误漏洞
Vulnerability Description
Arun Prakash Jana nnn是Arun Prakash Jana个人开发者开源的一个用 C 语言编写的便携式终端文件管理器。 Arun Prakash Jana nnn 5.2版本存在数字错误漏洞,该漏洞源于将homelen变量存储为uchar_t类型,导致其值范围限制在0-255,攻击者可通过影响执行环境提供任意HOME路径长度截断为0,进而造成路径缓冲区前一个字节的越界读取和越界写入。
CVSS Information
N/A
Vulnerability Type
N/A