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Dnsmasq TFTP Service multiple vulnerabilities
Information
Severity
Severity
Medium
Family
Family
Buffer overflow
CVSSv2 Base
CVSSv2 Base
6.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
13 years ago
Modified
Modified
4 years ago
Summary
Dnsmasq is prone to a remotely exploitable heap-overflow vulnerability because the software fails to properly bounds-check user-supplied input before copying it into an insufficiently sized memory buffer.
Insight
Insight
NOTE: The TFTP service must be enabled for this issue to be exploitable. This is not the default.
Affected Software
Affected Software
dnsmasq versions 2.40 up to 2.49. Older versions are probably affected too, but they were not checked.
Solution
Solution
Updates are available. Please see the references for more information.