man-db -H flag buffer overflow
| mandb-hflag-bo (33508) |  High Risk |
Description:
man-db is vulnerable to a buffer overflow, caused by improper bounds checking. By sending specially-crafted arguments to the -H flag, a local attacker could overflow a buffer and execute arbitrary code on the system with ROOT privileges, if the man and man-db programs have been installed setuid.
*CVSS:
| Base Score: | 7 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 5.2 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Privileges
Remedy:
Upgrade to the latest version of man-db (2.4.4 or later), available from the Savannah project Web site. See References.
For Debian GNU/Linux 3.1 (man-db):
Refer to DSA-1278-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Savannah project Web site: man-db.
- BID-23355: Man Command -H Flag Local Buffer Overflow Vulnerability
- CVE-2006-4250: Buffer overflow in man and mandb (man-db) 2.4.3 and earlier allows local users to execute arbitrary code via crafted arguments to the -H flag.
- DSA-1278: man-db -- buffer overflow
- SA24801: man-db "BROWSER" Privilege Escalation Vulnerability
- SUSE-SR:2007:007: SUSE Security Summary Report
- VUPEN/ADV-2007-1294: Man Command -H Flag Arguments Handling Local Buffer Overflow Vulnerability
Platforms Affected:
- Debian Debian Linux 3.1
- man-db man-db 2.x
Reported:
Apr 06, 2007
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
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.