#VU33628 Input validation error - CVE-2016-3119

Vulnerability identifier: #VU33628

Vulnerability risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-3119

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Description

The vulnerability allows remote authenticated users to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links
https://lists.opensuse.org/opensuse-updates/2016-04/msg00007.html
https://lists.opensuse.org/opensuse-updates/2016-04/msg00055.html
https://rhn.redhat.com/errata/RHSA-2016-2591.html
https://www.securityfocus.com/bid/85392
https://www.securitytracker.com/id/1035399
https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.