What is CVE-2012-3587?

CVE-2012-3587 is a vulnerability in Debian Advanced Package Tool, classified under Improper Input Validation. Published 2012-06-19.

Is CVE-2012-3587 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Debian Advanced Package Tool

CVE-2012-3587

APT 0.7.x before 0.7.25 and 0.8.x before 0.8.16, when using the apt-key net-update to import keyrings, relies on GnuPG argument order and does not check GPG subkeys, which might allow remote attackers to install Trojan horse packages via a man-in-the-middle (MITM) attack.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2012-06-19 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 2.6 (Low). Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.017 (77.0th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: -0.000

Affected products

Debian Advanced Package Tool — versions 0.7.0, 0.7.1, 0.7.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

sjourdan/clair-lab

References

seclists.org/fulldisclosure/2012/Jun/267 (mailing-list)
www.ubuntu.com/usn/USN-1477-1 (vendor-advisory)
www.ubuntu.com/usn/USN-1475-1 (vendor-advisory)
bugs.launchpad.net/ubuntu/+source/apt/+bug/1013128

Frequently asked questions

What is CVE-2012-3587?: CVE-2012-3587 is a vulnerability in Debian Advanced Package Tool, classified under Improper Input Validation. Published 2012-06-19.
Is CVE-2012-3587 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.