3proxy transparent requests buffer overflow
| 3proxy-transparent-requests-bo (33841) |  High Risk |
Description:
3proxy is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the HTTP proxy service. By sending specially-crafted transparent requests, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.
*CVSS:
| Base Score: | 7 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.8 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of 3proxy (0.5.3h or later), available from the 3proxy Web site. See References.
For Gentoo Linux:
Refer to GLSA 200704-17 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- 3proxy Changelog: Fixes in 0.5.3h.
- 3proxy wEb site: 3proxy tiny free proxy server.
- BID-23545: 3proxy HTTP Proxy Request Buffer Overflow Vulnerability
- CVE-2007-2031: Buffer overflow in the HTTP proxy service for 3proxy 0.5 to 0.5.3g, and 0.6b-devel before 20070413, might allow remote attackers to execute arbitrary code via crafted transparent requests.
- GLSA-200704-17: 3proxy: Buffer overflow
- SA24961: 3proxy Transparent Request Handling Buffer Overflow
- VUPEN/ADV-2007-1442: 3proxy logurl() Function Transparent Requests Handling Buffer Overflow Vulnerability
Platforms Affected:
- Gentoo Linux
- Vladimir Dubrovin 3proxy prior to 0.5.3h
Reported:
Apr 16, 2007
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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.