CVE-2006-3378

passwd command in shadow in Ubuntu 5.04 through 6.06 LTS, when called with the -f, -g, or -s flag, does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits.

Published: 2006-07-06 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-3378 is rated Low Risk (38.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.34%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-3378

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.34% +0.29%
2 2025-03-30 0.05% 0.06% +0.01%
3 2025-03-29 — 0.05% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3378

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2006-3378

OS Trackers for CVE-2006-3378

vendor priority summary link
debian not yet assigned CVE-2006-3378 not yet assigned priority: Debian including 1 source packages (shadow), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2006-3378
redhat — — https://access.redhat.com/security/cve/CVE-2006-3378
ubuntu medium CVE-2006-3378 medium priority: Ubuntu including 1 source packages (shadow), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2006-3378

Vendor comments (NVD) for CVE-2006-3378

  • Red Hat (2006-08-16T00:00:00)

    This issue affects the version of the passwd command from the shadow-utils package. Red Hat Enterprise Linux 2.1, 3, and 4 are not vulnerable to this issue.

Affected software / configurations for CVE-2006-3378

Vendor Product Version Raw CPE
ubuntu ubuntu_linux 5.04 cpe:2.3:o:ubuntu:ubuntu_linux:5.04:*:amd64:*:*:*:*:*
ubuntu ubuntu_linux 5.04 cpe:2.3:o:ubuntu:ubuntu_linux:5.04:*:i386:*:*:*:*:*
ubuntu ubuntu_linux 5.04 cpe:2.3:o:ubuntu:ubuntu_linux:5.04:*:powerpc:*:*:*:*:*
ubuntu ubuntu_linux 5.10 cpe:2.3:o:ubuntu:ubuntu_linux:5.10:*:amd64:*:*:*:*:*
ubuntu ubuntu_linux 5.10 cpe:2.3:o:ubuntu:ubuntu_linux:5.10:*:i386:*:*:*:*:*
ubuntu ubuntu_linux 5.10 cpe:2.3:o:ubuntu:ubuntu_linux:5.10:*:powerpc:*:*:*:*:*
ubuntu ubuntu_linux 5.10 cpe:2.3:o:ubuntu:ubuntu_linux:5.10:*:sparc:*:*:*:*:*
ubuntu ubuntu_linux 6.06_lts cpe:2.3:o:ubuntu:ubuntu_linux:6.06_lts:*:amd64:*:*:*:*:*
ubuntu ubuntu_linux 6.06_lts cpe:2.3:o:ubuntu:ubuntu_linux:6.06_lts:*:i386:*:*:*:*:*
ubuntu ubuntu_linux 6.06_lts cpe:2.3:o:ubuntu:ubuntu_linux:6.06_lts:*:powerpc:*:*:*:*:*
ubuntu ubuntu_linux 6.06_lts cpe:2.3:o:ubuntu:ubuntu_linux:6.06_lts:*:sparc:*:*:*:*:*

References for CVE-2006-3378

cvelogic Threat Intelligence