Vulnerability Name:

CVE-2021-41054 (CCN-209187)

Assigned:2021-09-12
Published:2021-09-12
Updated:2021-11-30
Summary: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 v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-41054

Source: XF
Type: UNKNOWN
atftp-cve202141054-dos(209187)

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20211117 [SECURITY] [DLA 2820-1] atftp security update

Source: CCN
Type: SourceForge atftp Project
fix buffer overflow in atftpd

Source: MISC
Type: Patch, Third Party Advisory
https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:atftp_project:atftp:*:*:*:*:*:*:*:* (Version <= 0.7.4)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:111978
    P
    		atftp-0.7.5-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105540
    P
    		atftp-0.7.5-1.1 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:44440
    P
    		Security update for atftp (Moderate)
    2021-09-29
    oval:org.opensuse.security:def:38717
    P
    		Security update for atftp (Moderate)
    2021-09-29
    oval:org.opensuse.security:def:43147
    P
    		Security update for atftp (Moderate)
    2021-09-29
    oval:org.opensuse.security:def:40010
    P
    		Security update for atftp (Moderate)
    2021-09-29
    oval:org.opensuse.security:def:33015
    P
    		Security update for atftp (Moderate)
    2021-09-27
    oval:org.opensuse.security:def:58838
    P
    		Security update for atftp (Moderate)
    2021-09-27
    oval:org.opensuse.security:def:34551
    P
    		Security update for atftp (Moderate)
    2021-09-27
    oval:org.opensuse.security:def:60374
    P
    		Security update for atftp (Moderate)
    2021-09-27
    oval:org.opensuse.security:def:87479
    P
    		Security update for atftp (Moderate)
    2021-09-27
    BACK
    atftp_project atftp *
    debian debian linux 9.0