Nagios
CVE-2018-13441
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
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 to the listening UNIX socket.
AnalysisAI
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. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. 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 to the listening UNIX socket. Affected products include: Nagios. Version information: version 4.4.1.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Multiple stack-based buffer overflows in the get_history function in history.cgi in Nagios Core before 3.4.4, and Icinga
Multiple off-by-one errors in Nagios Core 3.5.1, 4.0.2, and earlier, and Icinga before 1.8.5, 1.9 before 1.9.4, and 1.10
MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write
base/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root
Snoopy allows remote attackers to execute arbitrary commands. Rated critical severity (CVSS 9.8), this vulnerability is
The Fedora Nagios package uses "nagiosadmin" as the default password for the "nagiosadmin" administrator account, which
Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration s
Nagios Log Server 2.1.3 has CSRF. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authent
Nagios 4.3.2 and earlier allows local users to gain root privileges via a hard link attack on the Nagios init script fil
Off-by-one error in the process_cgivars function in contrib/daemonchk.c in Nagios Core 3.5.1, 4.0.2, and earlier allows
Nagios Log Server 2.1.3 has Incorrect Access Control. Rated medium severity (CVSS 6.5), this vulnerability is remotely e
rss-newsfeed.php in Nagios Core 3.4.4, 3.5.1, and earlier, when MAGPIE_CACHE_ON is set to 1, allows local users to overw
Same weakness CWE-476 – NULL Pointer Dereference
View allSame technique Null Pointer Dereference
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External POC / Exploit Code
Leaving vuln.today