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Vulnerability Details : CVE-2020-12762

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.
Publish Date : 2020-05-09 Last Update Date : 2021-05-21
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Overflow
CWE ID 787

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:4382: json-c security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20214382 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-12762

# Product Type Vendor Product Version Update Edition Language
1 Application Json-c Project Json-c * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Json-c Project Json-c 1

- References For CVE-2020-12762

https://security.netapp.com/advisory/ntap-20210521-0001/ CONFIRM
https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html
MLIST [debian-lts-announce] 20200531 [SECURITY] [DLA 2228-2] json-c regression update
https://usn.ubuntu.com/4360-4/
UBUNTU USN-4360-4
https://security.gentoo.org/glsa/202006-13
GENTOO GLSA-202006-13
https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html
MLIST [debian-lts-announce] 20200730 [SECURITY] [DLA 2301-1] json-c security update
https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
MLIST [debian-lts-announce] 20200531 [SECURITY] [DLA 2228-1] json-c security update
https://lists.fedoraproject.org/archives/list/[email protected]/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
FEDORA FEDORA-2020-7eb7eac270
https://usn.ubuntu.com/4360-1/
UBUNTU USN-4360-1
https://lists.fedoraproject.org/archives/list/[email protected]/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
FEDORA FEDORA-2020-847ad856ab
https://www.debian.org/security/2020/dsa-4741
DEBIAN DSA-4741
https://github.com/rsyslog/libfastjson/issues/161
https://lists.fedoraproject.org/archives/list/[email protected]/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
FEDORA FEDORA-2020-63c6f4ab1d
https://github.com/json-c/json-c/pull/592 CONFIRM

- Metasploit Modules Related To CVE-2020-12762

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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