certfr_avis - certa-2006-avi-370

CERTA-2006-AVI-370

Vulnerability from certfr_avis

Une vulnérabilité dans ppp permet à un utilisateur local d'élever ses privilèges sur le système vulnérable.

Description

Un manque de contrôle de la valeur de retour de la fonction setuid() dans l'extension winbind du service pppd de ppp permet à un utilisateur local d'élever ses privilèges.

Solution

La version 2.4.4 de ppp corrige le problème :

ftp://ftp.samba.org/pub/ppp/

ppp versions 2.4.3 et antérieures.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2006-2194 (GCVE-0-2006-2194)

Vulnerability from cvelistv5

Published

2006-07-05 18:00

Modified

2024-08-07 17:43

Severity ?

CWE

Summary

The 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.

References

URL

Tags

	http://www.mandriva.com/security/advisories?name=MDKSA-2006:119	vendor-advisory, x_refsource_MANDRIVA
	http://www.osvdb.org/26994	vdb-entry, x_refsource_OSVDB
	http://www.debian.org/security/2006/dsa-1106	vendor-advisory, x_refsource_DEBIAN
	http://secunia.com/advisories/20963	third-party-advisory, x_refsource_SECUNIA
	http://secunia.com/advisories/20987	third-party-advisory, x_refsource_SECUNIA
	http://secunia.com/advisories/20996	third-party-advisory, x_refsource_SECUNIA
	http://secunia.com/advisories/20967	third-party-advisory, x_refsource_SECUNIA
	http://www.securityfocus.com/bid/18849	vdb-entry, x_refsource_BID
	http://www.ubuntu.com/usn/usn-310-1	vendor-advisory, x_refsource_UBUNTU

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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