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.
References
Link Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf Third Party Advisory
https://github.com/json-c/json-c/pull/592 Exploit Patch Third Party Advisory
https://github.com/rsyslog/libfastjson/issues/161 Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
https://security.gentoo.org/glsa/202006-13 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210521-0001/ Third Party Advisory
https://usn.ubuntu.com/4360-1/ Third Party Advisory
https://usn.ubuntu.com/4360-4/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4741 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf Third Party Advisory
https://github.com/json-c/json-c/pull/592 Exploit Patch Third Party Advisory
https://github.com/rsyslog/libfastjson/issues/161 Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
https://security.gentoo.org/glsa/202006-13 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210521-0001/ Third Party Advisory
https://usn.ubuntu.com/4360-1/ Third Party Advisory
https://usn.ubuntu.com/4360-4/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4741 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:json-c:json-c:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Configuration 5 (hide)

OR cpe:2.3:a:siemens:sinec_ins:-:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*

History

No history.

Information

Published : 2020-05-09 18:15

Updated : 2024-11-21 05:00


NVD link : CVE-2020-12762

Mitre link : CVE-2020-12762

CVE.ORG link : CVE-2020-12762


JSON object : View

Products Affected

debian

  • debian_linux

fedoraproject

  • fedora

json-c

  • json-c

canonical

  • ubuntu_linux

siemens

  • sinec_ins
CWE
CWE-190

Integer Overflow or Wraparound

CWE-787

Out-of-bounds Write