VDB-216762 · CVE-2022-44640 · GHSA-88pm-hfmq-7vv4

Heimdal up to 7.7.0 ASN.1 Codec privilege escalation

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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Heimdal up to 7.7.0. The impacted element is an unknown function of the component ASN.1 Codec. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2022-44640. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Heimdal up to 7.7.0. It has been classified as critical. Affected is an unknown function of the component ASN.1 Codec. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

The weakness was disclosed 12/25/2022 as GHSA-88pm-hfmq-7vv4. The advisory is available at github.com. This vulnerability is traded as CVE-2022-44640 since 11/03/2022. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 211098 (Fedora 37 : heimdal (2022-2c77cee4b5)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.7.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211098). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Heimdal

Version

Website

Product: https://github.com/heimdal/heimdal/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
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: 211098
Nessus Name: Fedora 37 : heimdal (2022-2c77cee4b5)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Heimdal 7.7.1

Timelineinfo

11/03/2022 🔍
12/25/2022 +52 days 🔍
12/25/2022 +0 days 🔍
11/17/2024 +693 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-88pm-hfmq-7vv4
Status: Confirmed

CVE: CVE-2022-44640 (🔍)
GCVE (CVE): GCVE-0-2022-44640
GCVE (VulDB): GCVE-100-216762

Entryinfo

Created: 12/25/2022 10:53
Updated: 11/17/2024 07:13
Changes: 12/25/2022 10:53 (38), 01/24/2023 09:12 (11), 11/17/2024 07:13 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.