NetSight
medium5.0

CVE-2013-7423

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 attac…

Impact

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.

Affected products

VendorProductAffected versions
RedhatEnterprise Linux Server Aus
Version 6.5
CanonicalUbuntu Linux
Versions 10.04, 12.04, 14.04, 14.10
OpensuseOpensuse
Versions 13.1, 13.2
GnuGlibc
before 2.20

Weakness classification

References