CVE-2006-2194

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Summary

CVECVE-2006-2194
StatePUBLISHED
Assignerdebian
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-07-05 18:05:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionThe winbind plugin in pppd for ppp 2.4.4 and earlier does not check the return code from the setuid function call, which might allow local users to gain privileges by causing setuid to fail, such as exceeding PAM limits for the maximum number of user processes, which prevents the winbind NTLM authentication helper from dropping privileges.

Risk And Classification

Primary CVSS: v2.0 7.2 from [email protected]

AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS: 0.000550000 probability, percentile 0.171140000 (date 2026-04-20)

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Point-to-point Protocol Project Point-to-point Protocol All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-1106-1 ppp af854a3a-2127-422b-91ae-364da2661108 www.debian.org Patch, Vendor Advisory
Advisories - Mandriva Linux af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Secunia - Advisories - Mandriva update for ppp af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
PPPD Winbind Plugin Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch
Debian update for ppp - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
Secunia - Advisories - Ubuntu update for ppp af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
ppp setuid Security Issue - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
www.osvdb.org/26994 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
usn/usn-310-1 - Ubuntu: Linux for human beings af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2006-08-16Mark J CoxNot vulnerable. The winbind plugin is not shipped with Red Hat Enterprise Linux 2.1, 3, or 4.
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