Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2020-12762: A flaw was found in json-c. In printbuf_memappend, certain crafted values can overflow the memory allowing an attacker to write past the memory boundary. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | json-c | 0:0.14-8.amzn2023.0.2 |
| Amazon Linux · 2023 | json-c-debuginfo | 0:0.14-8.amzn2023.0.2 |
| Amazon Linux · 2023 | json-c-debugsource | 0:0.14-8.amzn2023.0.2 |
| Amazon Linux · 2023 | json-c-devel | 0:0.14-8.amzn2023.0.2 |
| Amazon Linux · 2023 | json-c-doc | 0:0.14-8.amzn2023.0.2 |
Vulnerabilities 1
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High 7.8
json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2020-12762.html