debian-goodies package checkrestart privilege escalation
| debian-checkrestart-privilege-escalation (36475) |  High Risk |
Description:
The debian-goodies package for Debian Linux could allow a local attacker to gain elevated privileges on the system, caused by a vulnerability in the checkrestart script. By invoking a program with a specially-crafted filename and persuading the admin user to execute the checkrestart script, a local attacker could exploit this vulnerability to execute arbitrary commands on the vulnerable system with root privileges.
*CVSS:
| Base Score: | 6.2 |
| Access Vector: | Local |
| Access Complexity: | High |
| Authentication: | None |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 4.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Privileges
Remedy:
Upgrade to the latest version of the debian-goodies package (0.34 or later), available from the Debian Web site. See References.
For Ubuntu Linux (debian-goodies):
Refer to USN-526-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Debian Bug report logs - #440411: checkrestart: arbitrary root-privileged command execution.
- Debian Web site: debian-goodies package.
- BID-25569: debian-goodies Checkrestart Script Local Privilege Escalation Vulnerability
- CVE-2007-3912: checkrestart in debian-goodies before 0.34 allows local users to gain privileges via shell metacharacters in the name of the executable file for a running process.
- DSA-1527: debian-goodies -- insufficient input sanitising
- SA26675: Debian debian-goodies Command Execution Vulnerability
- USN-526-1: debian-goodies vulnerability
Platforms Affected:
- Canonical Ubuntu 6.06 LTS
- Canonical Ubuntu 6.10
- Canonical Ubuntu 7.04
- Debian Debian Linux 3.1
- Debian Debian Linux 4.0
- Debian debian-goodies 0.23
- Debian debian-goodies 0.27
- Debian debian-goodies 0.33
Reported:
Sep 01, 2007
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.