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    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.

    Published:Oct 6, 2016
    Last Modified:Nov 21, 2024
    EPS:Oct 8, 2018
    EPSS Score:0.02879
    CVSS Score:6.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Net-snmp
    Product
    Net-snmp
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    Data Ontap
    Vendor
    Netapp
    Product
    E-series Santricity Os Controller
    Vendor
    Netapp
    Product
    Hyper Converged Infrastructure
    Vendor
    Netapp
    Product
    Solidfire Element Os
    Vendor
    Netapp
    Product
    Storagegrid Webscale
    Vendor
    Paloaltonetworks
    Product
    Pan-os

    Exploits

    https://dumpco.re/blog/net-snmp-5.7.3-remote-doshttps://www.exploit-db.com/exploits/45547/https://dumpco.re/blog/net-snmp-5.7.3-remote-doshttps://www.exploit-db.com/exploits/45547/https://www.exploit-db.com/exploits/45547

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High