漏洞信息
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Vulnerability Title
libusb < 1.0.30 Out-of-Bounds Read in parse_iad_array()
Vulnerability Description
libusb before version 1.0.30 contains a one-byte out-of-bounds read vulnerability in parse_iad_array() in descriptor.c that allows attackers to trigger a denial of service by supplying a malformed USB descriptor whose bLength equals size minus one, causing the bounds check to use the original buffer size instead of the remaining size. Attackers in virtualized environments with USB passthrough can supply crafted descriptors through libusb_get_active_interface_association_descriptors or libusb_get_interface_association_descriptors to read one byte past the end of the malloc allocation, resulting in a denial of service.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
跨界内存读
Vulnerability Title
libusb 缓冲区错误漏洞
Vulnerability Description
libusb是libusb开源的一个跨平台USB设备访问库。 libusb 1.0.30之前版本存在缓冲区错误漏洞,该漏洞源于parse_iad_array函数中边界检查使用原始缓冲区大小而非剩余大小,可能导致越界读取和拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A