Out-of-bounds Read in Atftp Project

CVE-2021-46671

options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side /etc/group data to a remote client.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (68.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-46671?
CVE-2021-46671 is a medium-severity vulnerability in Atftp Project, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2022-02-04.
How severe is CVE-2021-46671?
Medium severity. CVSS v3 base score is 5.3 out of 10.