Debian update for net-snmp

1) Null pointer dereference

EUVDB-ID: #VU15322

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-18065

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The vulnerability exists  in the _set_key() function, as defined in the agent/helpers/table_container.c source code file due to a NULL pointer exception bug. A remote attacker can send a malicious UDP packet, trigger a NULL pointer dereference condition, cause the application to crash.

Mitigation

Update the affected package to version: 5.7.3+dfsg-1.7+deb9u1

Vulnerable software versions

Debian Linux: All versions

External links

http://www.debian.org/security/2018/dsa-4314

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.