Code Affecting glibc-devel package, versions <0:2.17-55.142.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.25% (65th percentile)

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  • Snyk IDSNYK-AMZN201803-GLIBCDEVEL-1684915
  • published27 Sept 2021
  • disclosed24 Feb 2015

Introduced: 24 Feb 2015

CVE-2013-7423  (opens in a new tab)
CWE-17  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 glibc-devel to version 0:2.17-55.142.amzn1 or higher.
This issue was patched in ALAS-2015-513.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-devel package and not the glibc-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

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.

CVSS Scores

version 3.1