certfr_avis - CERTA-2011-AVI-094

CERTA-2011-AVI-094

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité dans shadow permet à un utilisateur malintentionné de contourner la politique de sécurité.

Description

Le paquet shadow permet la gestion d'utilisateurs, de groupes et de mots de passe.

Un défaut de vérification des entrées des utilisateurs est présent dans les utilitaires chfn et chsh du paquet shadow. Ce défaut est exploitable par un utilisateur malveillant pour créer des utilisateurs ou corrompre des mots de passe.

Solution

Se référer aux bulletins des distributions Linux pour l'obtention des correctifs (cf. section Documentation).

Paquet Linux shadow.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2011-0721 (GCVE-0-2011-0721)

Vulnerability from cvelistv5 – Published: 2011-02-18 23:00 – Updated: 2024-08-06 22:05

Summary

Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field.

Severity ?

No CVSS data available.

CWE

Assigner

canonical

References

URL

Tags

	http://www.vupen.com/english/advisories/2011/0398	vdb-entryx_refsource_VUPEN
	http://www.vupen.com/english/advisories/2011/0773	vdb-entryx_refsource_VUPEN
	http://secunia.com/advisories/43345	third-party-advisoryx_refsource_SECUNIA
	http://www.debian.org/security/2011/dsa-2164	vendor-advisoryx_refsource_DEBIAN
	http://www.ubuntu.com/usn/USN-1065-1	vendor-advisoryx_refsource_UBUNTU
	http://www.vupen.com/english/advisories/2011/0396	vdb-entryx_refsource_VUPEN
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
	http://osvdb.org/70895	vdb-entryx_refsource_OSVDB
	http://www.securityfocus.com/bid/46426	vdb-entryx_refsource_BID
	http://slackware.com/security/viewer.php?l=slackw…	vendor-advisoryx_refsource_SLACKWARE
	http://secunia.com/advisories/42505	third-party-advisoryx_refsource_SECUNIA

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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