CVE-2013-7423
EPSS 3.2%
Description
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.
How to fix CVE-2013-7423
To remediate CVE-2013-7423, upgrade the affected package to a fixed version below.
- Debian/glibc—upgrade to 2.19-1 or later
Is CVE-2013-7423 being exploited?
Low — EPSS is 3.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.19-1