VDB-211761 · CVE-2022-3116 · Nessus 208222

Heimdal Kerberos 5 up to 7.7.0 null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Heimdal Kerberos 5 up to 7.7.0. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2022-3116. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Heimdal Kerberos 5 up to 7.7.0. This affects an unknown code. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.

The weakness was released 10/19/2022. The advisory is shared at kb.cert.org. This vulnerability is uniquely identified as CVE-2022-3116. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 208222 (CBL Mariner 2.0 Security Update: heimdal (CVE-2022-3116)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (208222). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Heimdal

Name

Kerberos 5

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 208222
Nessus Name: CBL Mariner 2.0 Security Update: heimdal (CVE-2022-3116)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/02/2022 🔍
10/19/2022 +47 days 🔍
10/19/2022 +0 days 🔍
02/24/2025 +859 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Not defined

CVE: CVE-2022-3116 (🔍)
GCVE (CVE): GCVE-0-2022-3116
GCVE (VulDB): GCVE-100-211761

Entryinfo

Created: 10/19/2022 14:30
Updated: 02/24/2025 20:59
Changes: 10/19/2022 14:30 (35), 11/18/2022 08:31 (1), 10/06/2024 22:37 (16), 02/24/2025 20:59 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.