Input validation error in jansson - CVE-2016-4425
Published: May 17, 2016 / Updated: August 3, 2020
Vulnerability identifier: #VU33275
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-4425
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: www.digip.org
Affected software:
jansson
jansson
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Jansson 2.7 and earlier allows context-dependent attackers to cause a denial of service (deep recursion, stack consumption, and crash) via crafted JSON data.
How to mitigate CVE-2016-4425
Install update from vendor's website.
Sources
- http://www.debian.org/security/2015/dsa-3577
- http://www.openwall.com/lists/oss-security/2016/05/01/5
- http://www.openwall.com/lists/oss-security/2016/05/02/1
- http://www.openwall.com/lists/oss-security/2016/05/03/3
- https://github.com/akheron/jansson/issues/282
- https://github.com/akheron/jansson/pull/284
- https://github.com/akheron/jansson/pull/284/commits/64ce0ad3731ebd77e02897b07920eadd0e2cc318