Vulnerability Information
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Vulnerability Title
NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support
Vulnerability Description
Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally means a directory with input data files. When the specified path cannot be used as a directory, the function receives NULL from opendir(), but does not check the return value and passes the NULL value to readdir(), which causes a NULL pointer derefence.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
空指针解引用
Vulnerability Title
libpcap 代码问题漏洞
Vulnerability Description
libpcap是Tcpdump团队的一款用于网络流量捕获的便携式C/C ++库。 libpcap存在代码问题漏洞，该漏洞源于pcap_findalldevs_ex()函数中对文件系统路径的处理不当，当指定路径不能作为目录使用时，函数未检查opendir()的返回值并直接将NULL值传递给readdir()，从而导致空指针解引用。
CVSS Information
N/A
Vulnerability Type
N/A