UMN`s Gopher VifromLine function buffer overflow
| umn-gopher-vifromline-bo (22053) |  High Risk |
Description:
UMN's Gopher is vulnerable to a stack-based buffer overflow in the VIfromLine() function. By sending a specially-crafted '+VIEWS:' reply and persuading a user to connect to the malicious server, a remote attacker could overflow a buffer and execute arbitrary code on the system.
Consequences:
Gain Access
Remedy:
No remedy available as of August 2007.
For Debian GNU/Linux:
Refer to DSA-832-1 for patch, upgrade, or suggested workaround information. See References.
References:
- Wikipedia Web site: Gopher protocol.
- BID-14693: UMN Gopher Client Remote Buffer Overflow Vulnerability
- CVE-2005-2772: Multiple stack-based buffer overflows in University of Minnesota gopher client 3.0.9 allow remote malicious servers to execute arbitrary code via (1) a long +VIEWS: reply, which is not properly handled in the VIfromLine function, and (2) certain arguments when launching third party programs such as a web browser from a web link, which is not properly handled in the FIOgetargv function.
- DSA-832: gopher -- buffer overflows
- SA16614: UMN Gopher "VIfromLine()" and "FIOgetargv()" Buffer Overflows
- US-CERT VU#619812: UMN Gopher vulnerable to buffer overflow via overly long +VIEWS:
Platforms Affected:
- Debian Debian Linux 3.0
- Debian Debian Linux 3.1
- Gopher Gopher 3.0.9 and prior
Reported:
Aug 30, 2005
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