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Gentoo FoundationGLSA-200405-05

HistoryMay 13, 2004 - 12:00 a.m.

Utempter symlink vulnerability

2004-05-1300:00:00

Gentoo Foundation

security.gentoo.org

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.7%

JSON

Background

Utempter is an application that allows non-privileged apps to write utmp (login) info, which otherwise needs root access.

Description

Utempter contains a vulnerability that may allow local users to overwrite arbitrary files via a symlink attack.

Impact

This vulnerability may allow arbitrary files to be overwritten with root privileges.

Workaround

There is no known workaround at this time. All users are advised to upgrade to the latest available version of utempter.

Resolution

All users of utempter should upgrade to the latest stable version:

 # emerge sync

 # emerge -pv "&gt;=sys-apps/utempter-0.5.5.4"
 # emerge "&gt;=sys-apps/utempter-0.5.5.4"

OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-apps/utempter< 0.5.5.4UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Gentoo	any	all	sys-apps/utempter	< 0.5.5.4	UNKNOWN

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.7%

JSON

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