Vulnerability · Published Sep 10, 2020 · Assigned by talos
CVE-2020-6097
High 7.5
In plain English
A high-severity security flaw in atftpd. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)7.5High
Exploit odds (30 days)2.2%top 17.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert() call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | atftp | 0.7.git20120829-3.2 | DEBIAN-CVE-2020-6097 |
| Debian:13 | atftp | 0.7.git20120829-3.2 | DEBIAN-CVE-2020-6097 |
| Debian:14 | atftp | 0.7.git20120829-3.2 | DEBIAN-CVE-2020-6097 |
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029 x_refsource_MISC
- openSUSE-SU-2020:1736 vendor-advisory, x_refsource_SUSE
- [debian-lts-announce] 20211117 [SECURITY] [DLA 2820-1] atftp security update mailing-list, x_refsource_MLIST