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UMN GopherD FTP Gateway and GSisText Buffer Overflows
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Secunia Advisory:
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SA9251
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Release Date:
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2003-07-14
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Last Update:
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2003-09-19
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Popularity:
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6,522 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | UMN Gopher 2.x
UMN Gopher 3.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2003-0805
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Description:
Two vulnerabilities have been reported in UMN GopherD, which can be exploited by malicious people to compromise a vulnerable system.
A boundary error in the FTP gateway ("ftp.c") in the "GopherFile()" function can be exploited by issuing the "LIST" command to a FTP server containing a file with an overly long, specially crafted filename. This results in a buffer overflow and may allow execution of arbitrary code.
Another boundary error is located in the "GSisText()" function used to determine view types. This can be exploited by supplying an overly long, specially crafted string, which will cause a buffer overflow and allow execution of arbitrary code.
The following versions have been reported vulnerable:
- v3.0.5, v3.0.4, v3.0.3, v3.0.2, v3.0.1, v3.0.0(-1)
- v2.3.1. (patch level 0 through 15)
Other versions may also be affected.
Solution:
Use another product.
Provided and/or discovered by:
Vade 79
Changelog:
2003-09-19: Added CVE reference.
Original Advisory:
http://fakehalo.deadpig.org/xgopherd2k3-ftp.c
http://fakehalo.deadpig.org/xgopherd2k3-view.c
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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