TFTP: Atftp TFTP Server Error Packet Denial of Service
This signature detects attempts to exploit a known vulnerability against atftp TFTP server. A successful attack can result in a denial-of-service condition.
Extended Description
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.
Affected Products
Atftp_project atftp
Short Name
TFTP:DOS:CVE-2019-11365
Severity
Minor
Recommended
True
Recommended Action
None
Category
TFTP
Keywords
Atftp CVE-2019-11365 Denial Error Packet Server Service TFTP bid:20190508 of
Release Date
06/19/2019
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3337
False Positive
Rarely
Vendors
Atftp_project
CVSS Score
7.5