ISOMAN

CVE

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.

Severity
HIGH
CVSS
7.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu20.04.6 amd64 desktopunknownsource
Ubuntu20.04.6 amd64 live-serverunknownsource
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
  2. https://github.com/json-c/json-c/pull/592
  3. https://github.com/rsyslog/libfastjson/issues/161
  4. https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
  5. https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html
  6. https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html
  7. https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html
  8. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
  9. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
  10. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
  11. https://security.gentoo.org/glsa/202006-13
  12. https://security.netapp.com/advisory/ntap-20210521-0001/
  13. https://usn.ubuntu.com/4360-1/
  14. https://usn.ubuntu.com/4360-4/
  15. https://www.debian.org/security/2020/dsa-4741
  16. https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
  17. https://github.com/json-c/json-c/pull/592
  18. https://github.com/rsyslog/libfastjson/issues/161
  19. https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
  20. https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html