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ubuntucveUbuntu.comUB:CVE-2020-12762
HistoryMay 09, 2020 - 12:00 a.m.

CVE-2020-12762

2020-05-0900:00:00
ubuntu.com
ubuntu.com
18
cve-2020-12762
integer overflow
out-of-bounds write
json file
usn-4360-2
usn-4360-3
regression

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

44.5%

JSON

json-c through 0.14 has an integer overflow and out-of-bounds write via a
large JSON file, as demonstrated by printbuf_memappend.

Bugs

Notes

Author Note
mdeslaur USN-4360-1 introduced a regression and the problematic fix was backed out in USN-4360-2 and USN-4360-3 pending further investigation.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchjson-c< 0.12.1-1.3ubuntu0.3UNKNOWN
ubuntu19.10noarchjson-c< 0.13.1+dfsg-4ubuntu0.3UNKNOWN
ubuntu20.04noarchjson-c< 0.13.1+dfsg-7ubuntu0.3UNKNOWN
ubuntu14.04noarchjson-c< 0.11-3ubuntu1.2+esm3UNKNOWN
ubuntu16.04noarchjson-c< 0.11-4ubuntu2.6UNKNOWN

Related

mageia 2
nessus 60
osv 10
openvas 30
redhatcve 1
nvd 1
amazon 3
freebsd 1
cloudfoundry 3
rocky 1
redhat 34
ibm 7
suse 2
debian 5
gentoo 1
cve 1
cbl_mariner 2
veracode 1
almalinux 3
ubuntu 2
oraclelinux 3
fedora 3
cvelist 1
debiancve 1
altlinux 1
alpinelinux 1
prion 1
photon 6
ics 2
mageia
mageia
Updated libfastjson packages fix security vulnerability
2023-05-06 21:19:07
Updated json-c packages fix security vulnerability
2020-05-30 00:18:57
nessus
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NewStart CGSL MAIN 6.02 : json-c Vulnerability (NS-SA-2022-0089)
2022-11-15 00:00:00
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2024-03-05 00:00:00
RHEL 7 : json-c,_libfastjson (Unpatched Vulnerability)
2024-05-11 00:00:00
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Moderate: json-c security and bug fix update
2021-11-09 13:10:09
json-c - security update
2020-07-30 00:00:00
libfastjson - security update
2023-06-20 00:00:00
openvas
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SUSE: Security Advisory (SUSE-SU-2022:0184-1)
2022-01-26 00:00:00
Debian: Security Advisory (DSA-4741-1)
2020-08-07 00:00:00
Debian: Security Advisory (DLA-2301-1)
2020-07-31 00:00:00
redhatcve
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2020-05-13 14:10:37
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2020-05-09 18:15:11
amazon
amazon
Medium: json-c
2020-06-26 22:51:00
Medium: json-c
2020-06-23 05:59:00
Medium: libfastjson
2023-06-05 16:39:00
freebsd
freebsd
json-c -- integer overflow and out-of-bounds write via a large JSON file
2020-05-02 00:00:00
cloudfoundry
cloudfoundry
USN-4360-4: json-c vulnerability | Cloud Foundry
2020-06-24 00:00:00
USN-4360-2: json-c regression | Cloud Foundry
2020-06-24 00:00:00
USN-4360-1: json-c vulnerability | Cloud Foundry
2020-06-24 00:00:00
rocky
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json-c security and bug fix update
2021-11-09 13:10:09
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(RHSA-2021:4382) Moderate: json-c security and bug fix update
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(RHSA-2024:0573) Moderate: libfastjson security update
2024-01-30 12:53:18
(RHSA-2024:0411) Moderate: libfastjson security update
2024-01-24 14:40:21
ibm
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Security Bulletin: IBM MQ is affected by a vulnerability in json-c (CVE-2020-12762)
2020-12-18 14:05:07
Security Bulletin: A vulnerability in json-c may affect IBM Robotic Process Automation for Cloud Pak and result in arbitrary code execution (CVE-2020-12762).
2024-01-12 18:47:44
Security Bulletin: IBM MQ Appliance is affected by multiple open source vulnerabilities.
2024-06-27 03:30:01
suse
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Security update for json-c (important)
2022-01-25 00:00:00
Security update for json-c (important)
2022-02-17 00:00:00
debian
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[SECURITY] [DSA 4741-1] json-c security update
2020-08-05 21:21:13
[SECURITY] [DLA 3461-1] libfastjson security update
2023-06-20 21:14:01
[SECURITY] [DLA 2228-1] json-c security update
2020-05-31 13:48:31
gentoo
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json-c: Multiple vulnerabilities
2020-06-15 00:00:00
cve
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2020-05-09 18:15:11
cbl_mariner
cbl_mariner
CVE-2020-12762 affecting package json-c for versions less than 0.14-3
2022-10-21 20:38:56
CVE-2020-12762 affecting package json-c 0.14-3
2020-09-09 06:09:09
veracode
veracode
Arbitrary Code Execution
2020-08-06 21:35:13
almalinux
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ubuntu
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2020-05-28 00:00:00
oraclelinux
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2023-11-17 00:00:00
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2021-11-16 00:00:00
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2023-11-11 00:00:00
fedora
fedora
[SECURITY] Fedora 30 Update: json-c-0.13.1-12.fc30
2020-05-26 03:18:15
[SECURITY] Fedora 31 Update: json-c-0.13.1-12.fc31
2020-05-26 03:20:49
[SECURITY] Fedora 32 Update: json-c-0.13.1-12.fc32
2020-05-17 02:43:40
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2020-05-09 00:00:00
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2020-05-09 18:15:11
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Security fix for the ALT Linux 9 package json-c version 0.13.1-alt2
2020-07-08 00:00:00
alpinelinux
alpinelinux
CVE-2020-12762
2020-05-09 18:15:11
prion
prion
Integer overflow
2020-05-09 18:15:00
photon
photon
Important Photon OS Security Update - PHSA-2020-0093
2020-05-20 00:00:00
Important Photon OS Security Update - PHSA-2020-3.0-0093
2020-05-20 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2020-2.0-0249
2020-06-03 00:00:00
ics
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Siemens SINEC INS
2022-09-15 12:00:00
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2023-12-14 12:00:00

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

44.5%

JSON
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