PT-2019-6671 · Debian · Apt+1

Georgi Guninski · Published 2019-11-25 · Updated 2025-09-15 · CVE-2011-3374

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions apt (affected versions not specified)

Description The issue is related to the incorrect validation of gpg keys with the master keyring by apt-key in apt, which can lead to a potential man-in-the-middle attack.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2011-3374

ECHO-FC06-5395-FA6D

SNYK-LINUX-APT-116518

Affected Products

Debian

Apt

References · 14

• 🔥 https://seclists.org/fulldisclosure/2011/Sep/221 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3374 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2011-3374 · Security Note
• https://ubuntu.com/security/CVE-2011-3374 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-3374 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-3374 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/apt · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-3374 · Vendor Advisory
• https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.html · Note
• https://access.redhat.com/security/cve/cve-2011-3374 · Note
• https://packages.debian.org/src:apt · Note
• https://snyk.io/vuln/SNYK-LINUX-APT-116518 · Note
• https://t.me/cibsecurity/8311 · Telegram Post
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480 · Note