Nagios up to 4.4.1 Unix Socket qh_core null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Nagios up to 4.4.1. The impacted element is the function qh_core of the component Unix Socket Handler. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2018-13458. It is possible to launch the attack on the local host. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nagios up to 4.4.1 (Log Management Software). It has been declared as problematic. Affected by this vulnerability is the function qh_core of the component Unix Socket Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. 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. As an impact it is known to affect availability. The summary by CVE is:

qh_core in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers to cause a local denial-of-service condition by sending a crafted payload to the listening UNIX socket.

The bug was discovered 07/09/2018. The weakness was released 07/12/2018 (Website). The advisory is shared at gist.github.com. This vulnerability is known as CVE-2018-13458 since 07/08/2018. An attack has to be approached locally. The successful exploitation needs a single authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 121443 (Fedora 29 : nagios (2019-376ecc221c)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277645 (Fedora Security Update for nagios (FEDORA-2019-0b44528ff1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (45082), Tenable (121443) and SecurityFocus (BID 95121†). Entries connected to this vulnerability are available at VDB-121379, VDB-121380, VDB-122464 and VDB-123616. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121443
Nessus Name: Fedora 29 : nagios (2019-376ecc221c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/22/2016 🔍
07/08/2018 +593 days 🔍
07/09/2018 +1 days 🔍
07/12/2018 +2 days 🔍
07/12/2018 +0 days 🔍
07/13/2018 +1 days 🔍
01/30/2019 +201 days 🔍
01/30/2019 +0 days 🔍
11/29/2024 +2130 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-376ecc221c
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-13458 (🔍)
GCVE (CVE): GCVE-0-2018-13458
GCVE (VulDB): GCVE-100-121381
SecurityFocus: 95121 - Nagios CVE-2016-8641 Local Privilege Escalation Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/13/2018 09:14
Updated: 11/29/2024 06:37
Changes: 07/13/2018 09:14 (71), 03/04/2020 15:15 (13), 04/09/2023 06:59 (4), 11/29/2024 06:37 (14)
Complete: 🔍
Cache ID: 216:046:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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