Out-of-bounds Write Affecting json-c package, versions <0.11-3ubuntu1.2+esm3
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.11% (44th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-JSONC-569463
- published 11 May 2020
- disclosed 9 May 2020
How to fix?
Upgrade Ubuntu:14.04
json-c
to version 0.11-3ubuntu1.2+esm3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream json-c
package and not the json-c
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:14.04
relevant fixed versions and status.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-12762
- https://security.netapp.com/advisory/ntap-20210521-0001/
- https://www.debian.org/security/2020/dsa-4741
- https://security-tracker.debian.org/tracker/CVE-2020-12762
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
- https://security.gentoo.org/glsa/202006-13
- https://github.com/rsyslog/libfastjson/issues/161
- https://github.com/json-c/json-c/pull/592
- https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html
- https://usn.ubuntu.com/4360-4/
- https://usn.ubuntu.com/4360-1/
- https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
- https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html
- 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/