CVE-2019-11365
atftp - security update
9.8
CRITICAL
CVSS 3.1
EPSS 2.2%
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.
How to fix CVE-2019-11365
To remediate CVE-2019-11365, upgrade the affected package to a fixed version below.
- —upgrade to 0.7.git20120829-3.1 or later
- —upgrade to 0.7.git20120829-1+deb8u1 or later
- —upgrade to 0.7.git20120829-3.1~deb9u1 or later
Is CVE-2019-11365 being exploited?
Low — EPSS is 2.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 0.7.git20120829-3.1
- from 0, < 0.7.git20120829-1+deb8u1
- from 0, < 0.7.git20120829-3.1~deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |