Attacker Value
Unknown
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User Interaction
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Privileges Required
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0

CVE-2013-7423

Disclosure Date: February 24, 2015
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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.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • canonical,
  • gnu,
  • opensuse,
  • redhat

Products

  • enterprise linux server aus 6.5,
  • glibc,
  • opensuse 13.1,
  • opensuse 13.2,
  • ubuntu linux 10.04,
  • ubuntu linux 12.04,
  • ubuntu linux 14.04,
  • ubuntu linux 14.10
Technical Analysis