VDB-125234 · CVE-2018-16758 · Qualys 176500

tinc up to 1.0.34 VPN Packet cryptographic issues

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability was found in tinc up to 1.0.34. It has been rated as critical. Affected by this issue is an unknown code of the component VPN Packet Handler. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.

The bug was discovered 10/08/2018. The weakness was shared 10/10/2018 (Website). The advisory is available at debian.org. This vulnerability is handled as CVE-2018-16758 since 09/09/2018. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 117958 (Debian DSA-4312-1 : tinc - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176500 (Debian Security Update for tinc (DSA 4312-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (117958). The entries 125232 and 125233 are related to this item.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117958
Nessus Name: Debian DSA-4312-1 : tinc - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: e97943b7cc9c851ae36f5a41e2b6102faa74193f

Timelineinfo

09/09/2018 🔍
10/08/2018 +29 days 🔍
10/08/2018 +0 days 🔍
10/09/2018 +1 days 🔍
10/10/2018 +0 days 🔍
10/10/2018 +0 days 🔍
10/11/2018 +1 days 🔍
05/25/2023 +1687 days 🔍

Sourcesinfo

Advisory: debian.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16758 (🔍)
OVAL: 🔍
See also: 🔍

Entryinfo

Created: 10/11/2018 11:43
Updated: 05/25/2023 08:46
Changes: 10/11/2018 11:43 (69), 04/01/2020 17:35 (3), 05/25/2023 08:46 (5)
Complete: 🔍

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