CVE-2018-18065: Null Pointer Dereference
First published: Mon Oct 08 2018(Updated: )
_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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Net-snmp Net-snmp | <5.8 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Netapp Cloud Backup | ||
| Netapp Hyper Converged Infrastructure | ||
| NetApp StorageGRID Webscale | ||
| NetApp Data ONTAP | ||
| NetApp E-Series SANtricity OS Controller | >=11.0<=11.5 | |
| Netapp Solidfire Element Os | ||
| Paloaltonetworks Pan-os | <=7.1.22 | |
| Paloaltonetworks Pan-os | >=7.1.23<=8.0.15 | |
| Paloaltonetworks Pan-os | >=8.0.16<=8.1.6 | |
| ubuntu/net-snmp | <5.7.3+dfsg-1.8ubuntu3.1 | 5.7.3+dfsg-1.8ubuntu3.1 |
| ubuntu/net-snmp | <5.7.3+dfsg-1.8ubuntu3.18.10.1 | 5.7.3+dfsg-1.8ubuntu3.18.10.1 |
| ubuntu/net-snmp | <5.7.2~dfsg-8.1ubuntu3.3 | 5.7.2~dfsg-8.1ubuntu3.3 |
| ubuntu/net-snmp | <5.7.3+dfsg-1ubuntu4.2 | 5.7.3+dfsg-1ubuntu4.2 |
| debian/net-snmp | 5.9+dfsg-4+deb11u1 5.9.3+dfsg-2 5.9.4+dfsg-1.1 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2018-18065
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18065
- https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/
- https://salsa.debian.org/debian/net-snmp/commit/7f11eee7b26e4e3262aff8346572e84de612f203
- https://bugs.debian.org/910638
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=910638
- 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://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
- https://launchpad.net/bugs/cve/CVE-2018-18065
- https://ubuntu.com/security/notices/USN-3792-1
- https://ubuntu.com/security/notices/USN-3792-2
- https://ubuntu.com/security/notices/USN-3792-3
- https://www.cve.org/CVERecord?id=CVE-2018-18065
- https://nvd.nist.gov/vuln/detail/CVE-2018-18065
- https://ubuntu.com/security/CVE-2018-18065
Frequently Asked Questions
What is CVE-2018-18065?
CVE-2018-18065 is a vulnerability in Net-SNMP that allows an authenticated attacker to remotely crash an instance via a crafted UDP packet, resulting in denial of service.
How severe is CVE-2018-18065?
CVE-2018-18065 has a severity score of 6.5, which is considered medium.
Which software versions are affected by CVE-2018-18065?
Net-SNMP versions before 5.8 are affected by CVE-2018-18065.
How can I fix CVE-2018-18065?
To fix CVE-2018-18065, update Net-SNMP to version 5.8 or higher.
Where can I find more information about CVE-2018-18065?
You can find more information about CVE-2018-18065 at the following references: [Link 1](https://security-tracker.debian.org/tracker/CVE-2018-18065), [Link 2](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18065), [Link 3](https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/)
- collector/debian-bugs
- alias/CVE-2018-18065
- collector/nvd-index
- agent/type
- agent/author
- agent/softwarecombine
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/nvd-cve
- source/NVD
- agent/remedy
- agent/weakness
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- agent/description
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/tags
- collector/usn-cve
- source/Ubuntu
- vendor/net-snmp
- canonical/net-snmp net-snmp
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/12.04
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/18.10
- vendor/netapp
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- canonical/netapp hyper converged infrastructure
- canonical/netapp storagegrid webscale
- canonical/netapp data ontap
- canonical/netapp e-series santricity os controller
- version/netapp e-series santricity os controller/11.0
- version/netapp e-series santricity os controller/11.5
- canonical/netapp solidfire element os
- vendor/paloaltonetworks
- canonical/paloaltonetworks pan-os
- version/paloaltonetworks pan-os/7.1.22
- version/paloaltonetworks pan-os/7.1.23
- version/paloaltonetworks pan-os/8.0.15
- version/paloaltonetworks pan-os/8.0.16
- version/paloaltonetworks pan-os/8.1.6
- package-manager/debian
- package-manager/ubuntu