Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
0

CVE-2016-1521

Disclosure Date: February 13, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The directrun function in directmachine.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, does not validate a certain skip operation, which allows remote attackers to execute arbitrary code, obtain sensitive information, or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.

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CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • debian,
  • fedoraproject,
  • mozilla,
  • sil

Products

  • debian linux 7.0,
  • debian linux 8.0,
  • fedora 22,
  • fedora 23,
  • firefox,
  • firefox esr 38.0.1,
  • firefox esr 38.0.5,
  • firefox esr 38.1.0,
  • firefox esr 38.1.1,
  • firefox esr 38.2.0,
  • firefox esr 38.2.1,
  • firefox esr 38.3.0,
  • firefox esr 38.4.0,
  • firefox esr 38.5.0,
  • firefox esr 38.5.1,
  • firefox esr 38.5.2,
  • firefox esr 38.6.0,
  • graphite2,
  • thunderbird

Additional Info

Technical Analysis