CVE-2015-3246

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Summary

CVECVE-2015-3246
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-08-11 14:59:07 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain 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

Problem Types: CWE-264 | 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 Redhat Libuser 0.60-1 All All All
Application Redhat Libuser 0.60-2 All All All
Application Redhat Libuser 0.60-3 All All All
Application Redhat Libuser 0.60-4 All All All
Application Redhat Libuser 0.60-5 All All All
Application Redhat Libuser 0.60-6 All All All
Application Redhat Libuser All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Libuser - 'roothelper' Local Privilege Escalation (Metasploit) - Linux local Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
[SECURITY] Fedora 22 Update: libuser-0.62-1.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
libuser CVE-2015-3246 Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Libuser Bugs Let Local Users Deny Service and Gain Elevated Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
[SECURITY] Fedora 21 Update: libuser-0.62-1.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
[security-announce] openSUSE-SU-2015:1332-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015... af854a3a-2127-422b-91ae-364da2661108 www.qualys.com Exploit
libuser vulnerabilities (CVE-2015-3245 and CVE-2015-3246) - Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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