Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2017-13704

Disclosure Date: October 03, 2017
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Description

In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero’s (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.

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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,
  • debian,
  • fedoraproject,
  • novell,
  • redhat,
  • thekelleys

Products

  • debian linux 7.0,
  • debian linux 7.1,
  • debian linux 9.0,
  • dnsmasq,
  • enterprise linux desktop 7.0,
  • enterprise linux server 7.0,
  • enterprise linux workstation 7.0,
  • fedora 27,
  • leap 42.2,
  • leap 42.3,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 17.04
Technical Analysis