VDB-123089 · CVE-2018-14023 · GCVE-0-2018-14023

Open Whisper Signal up to 1.15.0-beta.9 information disclosure

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.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Open Whisper Signal up to 1.15.0-beta.9. Affected is an unknown function. The manipulation leads to information disclosure. This vulnerability is traded as CVE-2018-14023. An attack has to be approached locally. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Open Whisper Signal up to 1.15.0-beta.9 and classified as problematic. This issue affects an unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Open Whisper Signal (aka Signal-Desktop) before 1.15.0-beta.10 allows information leakage.

The bug was discovered 08/17/2018. The weakness was shared 08/20/2018 (Website). The advisory is shared at n0sign4l.blogspot.com. The identification of this vulnerability is CVE-2018-14023 since 07/12/2018. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.15.0-beta.10 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Open Whisper Signal

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.0
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Open Whisper Signal 1.15.0-beta.10

Timelineinfo

07/12/2018 🔍
08/17/2018 +36 days 🔍
08/20/2018 +2 days 🔍
08/20/2018 +0 days 🔍
08/21/2018 +1 days 🔍
03/17/2020 +574 days 🔍

Sourcesinfo

Advisory: n0sign4l.blogspot.com
Status: Not defined

CVE: CVE-2018-14023 (🔍)
GCVE (CVE): GCVE-0-2018-14023
GCVE (VulDB): GCVE-100-123089

Entryinfo

Created: 08/21/2018 07:31
Updated: 03/17/2020 09:21
Changes: 08/21/2018 07:31 (57), 03/17/2020 09:21 (1)
Complete: 🔍
Cache ID: 216::103