CVE-2020-12762

Sažetak

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

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
https://github.com/json-c/json-c/pull/592
https://github.com/rsyslog/libfastjson/issues/161
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://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/
https://security.gentoo.org/glsa/202006-13
https://security.netapp.com/advisory/ntap-20210521-0001/
https://usn.ubuntu.com/4360-1/
https://usn.ubuntu.com/4360-4/
https://www.debian.org/security/2020/dsa-4741
https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
https://github.com/json-c/json-c/pull/592
https://github.com/rsyslog/libfastjson/issues/161
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://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/
https://security.gentoo.org/glsa/202006-13
https://security.netapp.com/advisory/ntap-20210521-0001/
https://usn.ubuntu.com/4360-1/
https://usn.ubuntu.com/4360-4/
https://www.debian.org/security/2020/dsa-4741

CVSS

Base:	6.8
Impact:	6.4
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	PARTIAL	PARTIAL

CVSS vektor

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

Zadnje važnije ažuriranje

30-05-2025 - 20:15

Objavljeno

09-05-2020 - 18:15