VulnerabilityModified
CVE-2021-41054
tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.
HIGH 7.5EPSS 2.32%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.32% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- atftp project/atftp · debian/debian linux
- Source
- cve@mitre.org
References
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00014.htmlMailing List, Third Party Advisory
- https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/Patch, Third Party Advisory
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00014.htmlMailing List, Third Party Advisory
- https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.