VDB-127518 · CVE-2018-19786 · GCVE-0-2018-19786

Hashicorp Vault up to 0.x Server Log log file

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Hashicorp Vault up to 0.x. It has been declared as critical. The affected element is an unknown function of the component Server Log. The manipulation results in log file. This vulnerability was named CVE-2018-19786. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Hashicorp Vault up to 0.x. It has been classified as critical. Affected is some unknown processing of the component Server Log. The manipulation with an unknown input leads to a log file vulnerability. CWE is classifying the issue as CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

HashiCorp Vault before 1.0.0 writes the master key to the server log in certain unusual or misconfigured scenarios in which incorrect data comes from the autoseal mechanism without an error being reported.

The bug was discovered 12/03/2018. The weakness was presented 12/05/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2018-19786 since 11/30/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.0.0 eliminates this vulnerability.

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Productinfo

Vendor

Hashicorp

Name

Vault

Version

License

open-source

Website

Product: https://github.com/hashicorp/vault/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.6
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Log file
CWE: CWE-532 / CWE-200 / CWE-284
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Vault 1.0.0

Timelineinfo

11/30/2018 🔍
12/03/2018 +3 days 🔍
12/05/2018 +2 days 🔍
12/05/2018 +0 days 🔍
12/05/2018 +0 days 🔍
04/17/2020 +499 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-19786 (🔍)
GCVE (CVE): GCVE-0-2018-19786
GCVE (VulDB): GCVE-100-127518

Entryinfo

Created: 12/05/2018 14:46
Updated: 04/17/2020 17:00
Changes: 12/05/2018 14:46 (58), 04/17/2020 17:00 (2)
Complete: 🔍
Cache ID: 216::103