Vulnerability Name:

CVE-2021-46671 (CCN-219607)

Assigned:2022-02-04
Published:2022-02-04
Updated:2022-10-14
Summary: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.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/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): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/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): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-46671

Source: MISC
Type: Exploit, Issue Tracking, Mailing List, Third Party Advisory
https://bugs.debian.org/1004974

Source: CCN
Type: Debian Bug report logs - #1004974
atftpd: CVE-2021-46671: Potential information leak in atftpd<0.7.5

Source: XF
Type: UNKNOWN
debian-cve202146671-info-disc(219607)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20220527 [SECURITY] [DLA 3028-1] atftp security update

Source: CCN
Type: Debian Web site
atftp

Source: MISC
Type: Patch, Third Party Advisory
https://sourceforge.net/p/atftp/code/ci/9cf799c40738722001552618518279e9f0ef62e5

Vulnerable Configuration:Configuration 1:
  • cpe:/a:atftp_project:atftp:*:*:*:*:*:*:*:* (Version < 0.7.5)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:6199
    P
    Security update for atftp (Low)
    2022-03-16
    BACK
    atftp_project atftp *
    debian debian linux 9.0
    debian debian linux 10.0
    debian debian linux 11.0