ALAS2-2023-2079


Amazon Linux 2 Security Advisory: ALAS-2023-2079
Advisory Release Date: 2023-06-05 16:39 Pacific
Advisory Updated Date: 2023-06-07 22:38 Pacific
Severity: Medium

Issue Overview:

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. (CVE-2020-12762)


Affected Packages:

libfastjson


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update libfastjson to update your system.

New Packages:
aarch64:
    libfastjson-0.99.4-3.amzn2.0.1.aarch64
    libfastjson-devel-0.99.4-3.amzn2.0.1.aarch64
    libfastjson-debuginfo-0.99.4-3.amzn2.0.1.aarch64

i686:
    libfastjson-0.99.4-3.amzn2.0.1.i686
    libfastjson-devel-0.99.4-3.amzn2.0.1.i686
    libfastjson-debuginfo-0.99.4-3.amzn2.0.1.i686

src:
    libfastjson-0.99.4-3.amzn2.0.1.src

x86_64:
    libfastjson-0.99.4-3.amzn2.0.1.x86_64
    libfastjson-devel-0.99.4-3.amzn2.0.1.x86_64
    libfastjson-debuginfo-0.99.4-3.amzn2.0.1.x86_64