CVE-2020-6097

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

atftpd

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.0 CISCO

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.15% chance of exploitation in the next 30 days, 82nd percentile

Published

2020-09-10

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029

Security advisories

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00058.html
• https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html

References

• CVE Record
• NVD entry