Out-of-bounds Write

Affecting json-c package, versions <0.12.1+ds-2+deb10u1

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Overview

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

References

CVSS Score

7.8
high severity
  • Attack Vector
    Local
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE
CVE-2020-12762
CWE
CWE-190 CWE-787
Snyk ID
SNYK-DEBIAN10-JSONC-568809
Disclosed
09 May, 2020
Published
11 May, 2020