漏洞信息
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Vulnerability Title
Buffer overflow in strfmon and strfmon_l right-justification padding
Vulnerability Description
Calling strfmon and strfmon_l in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding.
Exploitation requires an application code path that calls strfmon or strfmon_l with right-justified width padding into a destination buffer that is large enough for the padding to succeed but too small for the internal memmove call. The field width or format may be attacker-influenced or a fixed susceptible pattern in the caller.
At the time of publication, no network-facing application impact is known.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
Vulnerability Type
堆缓冲区溢出
Vulnerability Title
GNU glibc 缓冲区错误漏洞
Vulnerability Description
GNU glibc是美国GNU基金会开源的一个 GNU 计划所实现的 C 标准库。 GNU glibc 2.38版本至2.44版本存在缓冲区错误漏洞,该漏洞源于调用strfmon和strfmon_l时,转换使用右对齐宽度填充可能导致写越调用者提供的输出缓冲区末尾,造成堆缓冲区溢出,进而导致内存损坏、崩溃或执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A