Dovecot SSL/TLS Key permission assignment

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Dovecot. Affected by this issue is some unknown functionality of the component SSL/TLS Key Handler. Executing a manipulation can lead to permission assignment. This vulnerability is registered as CVE-2016-4983. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Dovecot (Mail Server Software) (version unknown). It has been declared as problematic. This vulnerability affects an unknown function of the component SSL/TLS Key Handler. The manipulation with an unknown input leads to a permission assignment vulnerability. The CWE definition for the vulnerability is CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. As an impact it is known to affect confidentiality. CVE summarizes:

A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.

The weakness was published 11/05/2019. This vulnerability was named CVE-2016-4983 since 05/24/2016. Local access is required to approach this attack. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 95369 (SUSE SLES12 Security Update : dovecot22 (SUSE-SU-2016:2915-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169533 (OpenSuSE Security Update for dovecot22 (openSUSE-SU-2016:2876-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (95369). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95369
Nessus Name: SUSE SLES12 Security Update : dovecot22 (SUSE-SU-2016:2915-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/24/2016 🔍
11/25/2016 +185 days 🔍
11/28/2016 +3 days 🔍
11/05/2019 +1072 days 🔍
11/06/2019 +1 days 🔍
09/29/2024 +1788 days 🔍

Sourcesinfo

Advisory: lists.opensuse.org
Status: Not defined

CVE: CVE-2016-4983 (🔍)
GCVE (CVE): GCVE-0-2016-4983
GCVE (VulDB): GCVE-100-144970

Entryinfo

Created: 11/06/2019 07:04
Updated: 09/29/2024 01:09
Changes: 11/06/2019 07:04 (36), 11/06/2019 07:09 (24), 02/04/2024 09:02 (3), 09/29/2024 01:09 (17)
Complete: 🔍
Cache ID: 216::103

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

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