Cryptographic issues in json-c - CVE-2013-6371
Published: April 22, 2014 / Updated: July 28, 2020
Vulnerability identifier: #VU32546
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-6371
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The hash functionality in json-c before 0.12 allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted JSON data, involving collisions.
Affected software
json-c
Amazon Linux AMI
json-c (Alpine package)
Amazon Linux AMI
json-c (Alpine package)
How to mitigate CVE-2013-6371
Install update from vendor's website.
json-c - update to 0.12
json-c (Alpine package) - update to 0.12-r0
json-c (Alpine package) - update to 0.12-r0
External References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131845.html
- http://secunia.com/advisories/57791
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:079
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securityfocus.com/bid/66715
- https://bugzilla.redhat.com/show_bug.cgi?id=1032311
- https://exchange.xforce.ibmcloud.com/vulnerabilities/92541
- https://github.com/json-c/json-c/commit/64e36901a0614bf64a19bc3396469c66dcd0b015