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Last updated: 5/5/2015 1:28:26 PM

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Vulnerability Summary for CVE-2007-6181

Original release date: 11/29/2007
Last revised: 09/05/2008


Heap-based buffer overflow in cygwin1.dll in Cygwin 1.5.7 and earlier allows context-dependent attackers to execute arbitrary code via a filename with a certain length, as demonstrated by a remote authenticated user who uses the SCP protocol to send a file to the Cygwin machine, and thereby causes scp.exe on this machine to execute, and then overwrite heap memory with characters from the filename. NOTE: it is also reported that a related issue might exist in 1.5.7 through 1.5.19.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 8.5 (HIGH) (AV:N/AC:M/Au:S/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MLIST
Name: [cygwin-developers] 20071120 Re: cygwin1.dll up to 1.5.22 overflow
External Source: MLIST
Name: [cygwin-developers] 20071108 Re: cygwin1.dll up to 1.5.22 overflow
Type: Patch Information; Exploit
External Source: BUGTRAQ
Name: 20071124 [ISecAuditors Security Advisories] Cygwin buffer overflow due incorrect filename length check
External Source: SREASON
Name: 3406
External Source: MLIST
Name: [cygwin-developers] 20071120 Re: cygwin1.dll up to 1.5.22 overflow
External Source: BID
Name: 26557

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:redhat:cygwin:1.5.7 and previous versions
+ OR
* cpe:/a:redhat:cygwin:1.5.7-1 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)