CVE-2009-1893 : The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows loca

The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows local users to overwrite arbitrary files via a symlink attack on an unspecified temporary file, related to the "dhcpd -t" command.

Published 2009-07-17 16:30:01

Updated 2023-02-13 01:17:31

Source Red Hat, Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2009-1893

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-1893

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete

CWE ids for CVE-2009-1893

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Assigned by: nvd@nist.gov (Primary)

Products affected by CVE-2009-1893

Redhat » Enterprise Linux » Version: 3.0
cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 3.0 ES Edition
cpe:2.3:o:redhat:enterprise_linux:3.0:*:es:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 3.0 WS Edition
cpe:2.3:o:redhat:enterprise_linux:3.0:*:ws:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 3.0 AS Edition
cpe:2.3:o:redhat:enterprise_linux:3.0:*:as:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC8
cpe:2.3:a:isc:dhcp:3.0.1:rc8:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC9
cpe:2.3:a:isc:dhcp:3.0.1:rc9:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC5
cpe:2.3:a:isc:dhcp:3.0.1:rc5:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC2
cpe:2.3:a:isc:dhcp:3.0.1:rc2:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update Rc14
cpe:2.3:a:isc:dhcp:3.0.1:rc14:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update Rc11
cpe:2.3:a:isc:dhcp:3.0.1:rc11:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC6
cpe:2.3:a:isc:dhcp:3.0.1:rc6:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC7
cpe:2.3:a:isc:dhcp:3.0.1:rc7:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update Rc10
cpe:2.3:a:isc:dhcp:3.0.1:rc10:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update RC1
cpe:2.3:a:isc:dhcp:3.0.1:rc1:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update Rc12
cpe:2.3:a:isc:dhcp:3.0.1:rc12:*:*:*:*:*:*
Matching versions
ISC » Dhcp » Version: 3.0.1 Update Rc13
cpe:2.3:a:isc:dhcp:3.0.1:rc13:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2009-1893

Exploit prediction scoring system (EPSS) score for CVE-2009-1893

CVSS scores for CVE-2009-1893

CWE ids for CVE-2009-1893

References for CVE-2009-1893

Products affected by CVE-2009-1893