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.
Platforms Affected:
- Gentoo, Linux
- Vladimir Dubrovin, 3proxy prior to 0.5.3h
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.
Consequences:
Gain Access
References:
- 3proxy Changelog, Fixes in 0.5.3h at http://3proxy.ru/0.5.3h/Changelog.txt.
- 3proxy wEb site, 3proxy tiny free proxy server at http://3proxy.ru/.
- 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
Reported:
Apr 16, 2007
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