cryptsetup Package up to 2:1.7.3-2 on Debian improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in cryptsetup Package up to 2:1.7.3-2 on Debian and classified as critical. This affects an unknown part. Such manipulation leads to improper authentication. This vulnerability is traded as CVE-2016-4484. The attack can be executed directly on the physical device. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in cryptsetup Package up to 2:1.7.3-2 on Debian. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell access via many log in attempts with an invalid password.

The bug was discovered 11/14/2016. The weakness was shared 01/23/2017 by Hector Marco (Website). The advisory is available at hmarco.org. This vulnerability is handled as CVE-2016-4484 since 05/04/2016. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 70 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 219567 (Linux Distros Unpatched Vulnerability : CVE-2016-4484), 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 databases at Tenable (219567) and SecurityFocus (BID 94315†). The entry VDB-93620 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 219567
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2016-4484

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.com

Timelineinfo

05/04/2016 🔍
11/11/2016 +191 days 🔍
11/14/2016 +3 days 🔍
01/23/2017 +70 days 🔍
01/23/2017 +0 days 🔍
01/24/2017 +1 days 🔍
05/14/2026 +3397 days 🔍

Sourcesinfo

Advisory: ef8a7d82d8d3716ae9b58179590f7908981fa0cb
Researcher: Hector Marco
Status: Confirmed

CVE: CVE-2016-4484 (🔍)
GCVE (CVE): GCVE-0-2016-4484
GCVE (VulDB): GCVE-100-95834
SecurityFocus: 94315 - Cryptsetup CVE-2016-4484 Multiple Local Security Vulnerabilities
OSVDB: - CVE-2016-4484 - cryptsetup - Privilege Escalation Issue

See also: 🔍

Entryinfo

Created: 01/24/2017 08:31
Updated: 05/14/2026 13:59
Changes: 01/24/2017 08:31 (58), 07/30/2020 16:07 (6), 11/03/2022 09:12 (3), 03/04/2025 18:07 (22), 05/14/2026 13:59 (2)
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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