Troglobit Uftpd vulnerabilities

CVE-2020-20277 [CRITICAL] CWE-22 CVE-2020-20277: There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in uftpd FTP server versions 2.7 to 2.10 due to improper implementation of a chroot jail in common.c's compose_abspath function that can be abused to read or write to arbitrary files on the filesystem, leak process memory, or potentially lead to remote c

CVE-2020-20276 [CRITICAL] CWE-787 CVE-2020-20276: An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.

CVE-2020-5204 [HIGH] CWE-121 CVE-2020-5204: In uftpd before 2.11, there is a buffer overflow vulnerability in handle_PORT in ftpcmd.c that is ca In uftpd before 2.11, there is a buffer overflow vulnerability in handle_PORT in ftpcmd.c that is caused by a buffer that is 16 bytes large being filled via sprintf() with user input based on the format specifier string %d.%d.%d.%d. The 16 byte size is correct for valid IPv4 addresses (len('255.255.255.255') == 16), but the format specifier %d allows mo

CVE-2020-5221 [HIGH] CWE-22 CVE-2020-5221: In uftpd before 2.11, it is possible for an unauthenticated user to perform a directory traversal at In uftpd before 2.11, it is possible for an unauthenticated user to perform a directory traversal attack using multiple different FTP commands and read and write to arbitrary locations on the filesystem due to the lack of a well-written chroot jail in compose_abspath(). This has been fixed in version 2.11

CVE-2020-14149 [HIGH] CWE-476 CVE-2020-14149: In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NUL In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.