MTR MTR_OPTIONS environment variable buffer overflow
| mtr-options-bo (8367) |  High Risk |
Description:
MTR is vulnerable to a buffer overflow caused by improper bounds checking of the MTR_OPTIONS environment variable. By supplying an overly long specially-crafted string to MTR_OPTIONS, a local attacker could overflow a buffer and execute arbitrary code on the system with root privileges.
Consequences:
Gain Privileges
Remedy:
Upgrade to the latest version of MTR (0.49 or later), available from the BitWizard FTP site. See References.
For Debian GNU/Linux 2.2 (potato):
Upgrade to the latest version of mtr (0.41-6 or later), as listed in DSA-124-1. See References.
References:
- BitWizard FTP site: /mtr/.
- BitWizard Web site: MTR.
- BugTraq Mailing List, Wed Mar 06 2002 - 08:41:43 CST: mtr 0.45, 0.46.
- BugTraq Mailing List, Wed Mar 06 2002 - 11:53:31 CST: Re: mtr 0.45, 0.46.
- BID-4217: MTR Buffer Overflow Vulnerability
- CVE-2002-0497: Buffer overflow in mtr 0.46 and earlier, when installed setuid root, allows local users to access a raw socket via a long MTR_OPTIONS environment variable.
- DSA-124: mtr -- buffer overflow
- OSVDB ID: 5267: mtr MTR_OPTIONS Environment Variable Overflow Raw Socket Access
Platforms Affected:
- BitWizard MTR 0.45
- BitWizard MTR 0.46
- Debian Debian Linux 2.2
Reported:
Mar 06, 2002
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