The send_dg function in resolv/res_send.c in GNU C...
Moderate severity
Unreviewed
Published
May 13, 2022
to the GitHub Advisory Database
•
Updated Feb 1, 2023
Description
Published by the National Vulnerability Database
Feb 24, 2015
Published to the GitHub Advisory Database
May 13, 2022
Last updated
Feb 1, 2023
The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of requests that trigger a call to the getaddrinfo function.
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