Out-of-bounds Write Affecting json-c-debuginfo package, versions <0:0.11-4.amzn2.0.4


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.9% (79th percentile)

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  • Snyk IDSNYK-AMZN2-JSONCDEBUGINFO-1680828
  • published27 Sept 2021
  • disclosed9 May 2020

Introduced: 9 May 2020

CVE-2020-12762  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 json-c-debuginfo to version 0:0.11-4.amzn2.0.4 or higher.
This issue was patched in ALAS2-2020-1442.

NVD Description

Note: Versions mentioned in the description apply only to the upstream json-c-debuginfo package and not the json-c-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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 Base Scores

version 3.1