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SUSE: CVE-2020-5204: SUSE Linux Security Advisory

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SUSE: CVE-2020-5204: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
Published
01/06/2020
Created
01/21/2020
Added
01/19/2020
Modified
10/22/2021

Description

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 more than 3 digits. This has been fixed in version 2.11

Solution(s)

  • suse-upgrade-uftpd

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