CVE-2018-13441
qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to cause a local denial-of-service condition by sending a crafted payload
02 Description
qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to cause a local denial-of-service condition by sending a crafted payload
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 71.1% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-07-12 18:00Z8 YR AGO
- Last updated
- 2024-08-05 09:00Z2 YR AGO
- Reserved
- 2018-07-08
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 971b7e821d4c36926f42bc03fd49af41d0b7d32a1077d2d59169639a8c55de82
05 Affected products
06 References
- knowledge.opsview.comhttps://knowledge.opsview.com/v5.4/docs/whats-new
- gist.github.comhttps://gist.github.com/fakhrizulkifli/8df4a174158df69ebd765f824bd736b8
- www.exploit-db.com45082https://www.exploit-db.com/exploits/45082/
- knowledge.opsview.comhttps://knowledge.opsview.com/v5.3/docs/whats-new
- lists.opensuse.orgopenSUSE-SU-2020:0500http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00014.html
- lists.opensuse.orgopenSUSE-SU-2020:0517http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00022.html
07 Fixed in
Debian 12
- nagios4 Fixed in 4.3.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nagios4 Fixed in 4.3.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nagios4 Fixed in 4.3.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.