CVE-2021-36159

2021-08-03T14:15:00
ID CVE-2021-36159
Type cve
Reporter cve@mitre.org
Modified 2021-10-18T12:19:00

Description

libfetch before 2021-07-26, as used in apk-tools, xbps, and other products, mishandles numeric strings for the FTP and HTTP protocols. The FTP passive mode implementation allows an out-of-bounds read because strtol is used to parse the relevant numbers into address bytes. It does not check if the line ends prematurely. If it does, the for-loop condition checks for the '\0' terminator one byte too late.