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CVE-2020-12762

Status Candidate

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.

Related Files

Red Hat Security Advisory 2021-4032-01
Posted Nov 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4032-01 - Openshift Logging Bug Fix Release. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2018-20673, CVE-2019-13750, CVE-2019-13751, CVE-2019-17594, CVE-2019-17595, CVE-2019-18218, CVE-2019-19603, CVE-2019-20838, CVE-2019-5827, CVE-2020-12762, CVE-2020-13435, CVE-2020-14155, CVE-2020-16135, CVE-2020-24370, CVE-2021-20231, CVE-2021-20232, CVE-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23369, CVE-2021-23383, CVE-2021-23840, CVE-2021-23841, CVE-2021-27645, CVE-2021-28153
MD5 | 0afccb07d0753c3bcf41066f814de533
Red Hat Security Advisory 2021-4627-01
Posted Nov 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4627-01 - Openshift Logging version 5.3 has received a massive bug fix update.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-20673, CVE-2018-25009, CVE-2018-25010, CVE-2018-25012, CVE-2018-25013, CVE-2018-25014, CVE-2019-13750, CVE-2019-13751, CVE-2019-14615, CVE-2019-17594, CVE-2019-17595, CVE-2019-18218, CVE-2019-19603, CVE-2019-20838, CVE-2019-5827, CVE-2020-0427, CVE-2020-10001, CVE-2020-12762, CVE-2020-13435, CVE-2020-14145, CVE-2020-14155, CVE-2020-16135, CVE-2020-17541, CVE-2020-24370, CVE-2020-24502, CVE-2020-24503
MD5 | 82e526cefb03f3f11c5cc11b576a90c1
Red Hat Security Advisory 2021-4382-02
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4382-02 - JSON-C implements a reference counting object model that allows users to easily construct JavaScript Object Notation objects in C, output them as JSON formatted strings, and parse JSON formatted strings back into the C representation of JSON objects. Issues addressed include integer overflow and out of bounds write vulnerabilities.

tags | advisory, overflow, javascript, vulnerability
systems | linux, redhat
advisories | CVE-2020-12762
MD5 | 72291b28432041ece5a44066969bf351
Gentoo Linux Security Advisory 202006-13
Posted Jun 15, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202006-13 - Multiple vulnerabilities have been found in json-c, the worst of which could result in a Denial of Service condition. Versions less than 0.14-r3 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-12762
MD5 | 14dc70787cdedb9ba789b07b3a8dfdae
Ubuntu Security Notice USN-4360-4
Posted May 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4360-4 - USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides the correct fix update for CVE-2020-12762. It was discovered that json-c incorrectly handled certain JSON files. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary, memory leak
systems | linux, ubuntu
advisories | CVE-2020-12762
MD5 | 86df77174f085c6a9d0da81563e1e73c
Ubuntu Security Notice USN-4360-1
Posted May 14, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4360-1 - It was discovered that json-c incorrectly handled certain JSON files. An attacker could possibly use this issue to execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-12762
MD5 | f15b8050fb65b8c5e463c3e953299e5d
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