VDB-163680 · CVE-2020-10256 · GCVE-0-2020-10256

1Password command-line tool/SCIM Bridge prng seed

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in 1Password command-line tool and SCIM Bridge. It has been declared as problematic. Affected by this vulnerability is an unknown functionality. The manipulation results in prng seed. This vulnerability is known as CVE-2020-10256. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in 1Password command-line tool and SCIM Bridge (version now known). It has been classified as problematic. Affected is some unknown processing. The manipulation with an unknown input leads to a prng seed vulnerability. CWE is classifying the issue as CWE-335. The product uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds. This is going to have an impact on confidentiality.

The weakness was published 10/27/2020. The advisory is shared for download at support.1password.com. This vulnerability is traded as CVE-2020-10256. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

1Password

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Prng seed
CWE: CWE-335 / CWE-331 / CWE-330
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: 🔍

Timelineinfo

03/09/2020 🔍
10/27/2020 +232 days 🔍
10/27/2020 +0 days 🔍
11/27/2020 +31 days 🔍

Sourcesinfo

Advisory: support.1password.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-10256 (🔍)
GCVE (CVE): GCVE-0-2020-10256
GCVE (VulDB): GCVE-100-163680

Entryinfo

Created: 10/27/2020 19:46
Updated: 11/27/2020 13:32
Changes: 10/27/2020 19:46 (35), 11/27/2020 13:27 (3), 11/27/2020 13:32 (18)
Complete: 🔍
Cache ID: 216::103