#VU20023 Out-of-bounds read in FreeBSD


Published: 2019-08-09

Vulnerability identifier: #VU20023

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5610

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
FreeBSD
Operating systems & Components / Operating system

Vendor: FreeBSD Foundation

Description

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

The vulnerability exists due to a boundary condition within the bsnmp software library when decoding ASN.1 data in SNMP packets. A remote authenticated user can send specially crafted SNMP packets, trigger out-of-bounds read error and perform denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeBSD: 11.2 - 12.0


External links
http://www.freebsd.org/security/advisories/FreeBSD-SA-19:20.bsnmp.asc


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability