Vulnerability Details : 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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2019-11365
- cpe:2.3:a:atftp_project:atftp:0.7.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-11365
11.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11365
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-11365
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-11365
-
https://www.debian.org/security/2019/dsa-4438
Debian -- Security Information -- DSA-4438-1 atftp
-
https://sourceforge.net/p/atftp/code/ci/abed7d245d8e8bdfeab24f9f7f55a52c3140f96b/
atftp / Code / Commit [abed7d]Patch;Third Party Advisory
-
https://seclists.org/bugtraq/2019/May/16
Bugtraq: [SECURITY] [DSA 4438-1] atftp security update
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https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html
[SECURITY] [DLA 1783-1] atftp security update
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https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities
atftpd - Multiple Memory Corruption Vulnerabilities (CVE-2019-11365, CVE-2019-11366)Exploit;Third Party Advisory
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https://security.gentoo.org/glsa/202003-14
atftp: Multiple vulnerabilities (GLSA 202003-14) — Gentoo security
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https://usn.ubuntu.com/4540-1/
USN-4540-1: atftpd vulnerabilities | Ubuntu security notices | Ubuntu
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