Vulnerability Name:

CVE-2011-3374 (CCN-174827)

Assigned:2011-09-22
Published:2011-09-22
Updated:2021-02-09
Summary:It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.
CVSS v3 Severity:3.7 Low (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
3.2 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-347
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2011-3374

Source: MISC
Type: Broken Link
https://access.redhat.com/security/cve/cve-2011-3374

Source: CCN
Type: Debian Bug report logs - #642480
cryptographic verification code in apt-key net-update utterly broken

Source: MISC
Type: Issue Tracking, Mailing List, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480

Source: XF
Type: UNKNOWN
aptkey-cve20113374-mitm(174827)

Source: CCN
Type: Linux man page
apt-get(8) - Linux man page

Source: MISC
Type: Third Party Advisory
https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.html

Source: MISC
Type: Exploit, Mailing List, Third Party Advisory
https://seclists.org/fulldisclosure/2011/Sep/221

Source: MISC
Type: Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-3374

Source: MISC
Type: Broken Link
https://snyk.io/vuln/SNYK-LINUX-APT-116518

Source: MISC
Type: Third Party Advisory
https://ubuntu.com/security/CVE-2011-3374

Vulnerable Configuration:Configuration 1:
  • cpe:/a:debian:advanced_package_tool:*:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    debian advanced package tool *
    debian debian linux 8.0
    debian debian linux 9.0
    debian debian linux 10.0