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CVE-2021-41054

Good to know:

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Date: September 13, 2021

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.

Language: C

Severity Score

Related Resources (7)

https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-41054
https://security-tracker.debian.org/tracker/CVE-2021-41054
https://nvd.nist.gov/vuln/detail/CVE-2021-41054
https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html
https://www.mend.io/vulnerability-database/CVE-2021-41054

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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