CVE-2018-18065

_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Potential Mitigations

References

• http://www.securityfocus.com/bid/106265
• https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf
• https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
• https://security.netapp.com/advisory/ntap-20181107-0001/
• https://security.paloaltonetworks.com/CVE-2018-18065
• https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/
• https://usn.ubuntu.com/3792-1/
• https://usn.ubuntu.com/3792-2/
• https://usn.ubuntu.com/3792-3/
• https://www.debian.org/security/2018/dsa-4314
• https://www.exploit-db.com/exploits/45547/
• https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
• http://www.securityfocus.com/bid/106265
• https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf
• https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
• https://security.netapp.com/advisory/ntap-20181107-0001/
• https://security.paloaltonetworks.com/CVE-2018-18065
• https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/
• https://usn.ubuntu.com/3792-1/
• https://usn.ubuntu.com/3792-2/
• https://usn.ubuntu.com/3792-3/
• https://www.debian.org/security/2018/dsa-4314
• https://www.exploit-db.com/exploits/45547/
• https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html