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

CVE-2020-12762

Disclosure Date: May 09, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.

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CVSS V3 Severity and Metrics
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
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

  • canonical,
  • debian,
  • fedoraproject,
  • json-c project,
  • siemens

Products

  • debian linux 10.0,
  • debian linux 8.0,
  • debian linux 9.0,
  • fedora 30,
  • fedora 31,
  • fedora 32,
  • json-c,
  • sinec ins -,
  • sinec ins 1.0,
  • ubuntu linux 12.04,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04,
  • ubuntu linux 19.10,
  • ubuntu linux 20.04

References

Advisory

Additional Info

Technical Analysis