CVE-2019-11365

An issue was discovered in atftpd in atftp 0.7.1. A remote attacker may send a crafted packet triggering a stack-based buffer overflow due to an insecurely implemented strncpy call. The vulnerability is triggered by sending an error packet of 3 bytes or fewer. There are multiple instances of this vulnerable strncpy pattern within the code base, specifically within tftpd_file.c, tftp_file.c, tftpd_mtftp.c, and tftp_mtftp.c.

• CWE-787

• https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html
• https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilitiesExploit, Third Party Advisory
• https://seclists.org/bugtraq/2019/May/16
• https://security.gentoo.org/glsa/202003-14
• https://sourceforge.net/p/atftp/code/ci/abed7d245d8e8bdfeab24f9f7f55a52c3140f96b/Patch, Third Party Advisory
• https://usn.ubuntu.com/4540-1/
• https://www.debian.org/security/2019/dsa-4438
• https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html
• https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilitiesExploit, Third Party Advisory
• https://seclists.org/bugtraq/2019/May/16
• https://security.gentoo.org/glsa/202003-14
• https://sourceforge.net/p/atftp/code/ci/abed7d245d8e8bdfeab24f9f7f55a52c3140f96b/Patch, Third Party Advisory
• https://usn.ubuntu.com/4540-1/
• https://www.debian.org/security/2019/dsa-4438

Published

Apr 20, 2019

Last Modified

Jun 17, 2026

Status

Modified

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