The getmxrecord function in Fetchmail 6.0.0 and earlier...
Moderate severity
Unreviewed
Published
Apr 30, 2022
to the GitHub Advisory Database
•
Updated Jan 30, 2023
Description
Published by the National Vulnerability Database
Oct 11, 2002
Published to the GitHub Advisory Database
Apr 30, 2022
Last updated
Jan 30, 2023
The getmxrecord function in Fetchmail 6.0.0 and earlier does not properly check the boundary of a particular malformed DNS packet from a malicious DNS server, which allows remote attackers to cause a denial of service (crash) when Fetchmail attempts to read data beyond the expected boundary.
References