VDB-111289 · CVE-2017-1000485 · Issue 181

Nylas Mail Lives 2.2.2 $HOME/.nylas-mail permission

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Nylas Mail Lives 2.2.2 and classified as problematic. This affects an unknown part of the file $HOME/.nylas-mail. This manipulation causes permission. The identification of this vulnerability is CVE-2017-1000485. The attack can only be executed locally. There is no exploit available. It is advisable to modify the configuration settings.

Detailsinfo

A vulnerability has been found in Nylas Mail Lives 2.2.2 and classified as problematic. Affected by this vulnerability is an unknown part of the file $HOME/.nylas-mail. The manipulation with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality. The summary by CVE is:

Nylas Mail Lives 2.2.2 uses 0755 permissions for $HOME/.nylas-mail, which allows local users to obtain sensitive authentication information via standard filesystem operations.

The bug was discovered 11/29/2017. The weakness was shared 01/03/2018 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2017-1000485 since 01/03/2018. An attack has to be approached locally. A single authentication is necessary for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 35 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the problem by applying the configuration setting .

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

Productinfo

Vendor

Nylas

Name

Mail Lives

Version

2.2.2

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: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Permission
CWE: CWE-275 / 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: Config
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/29/2017 🔍
01/03/2018 +35 days 🔍
01/03/2018 +0 days 🔍
01/03/2018 +0 days 🔍
01/04/2018 +1 days 🔍
01/20/2023 +1842 days 🔍

Sourcesinfo

Advisory: 181
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-1000485 (🔍)
GCVE (CVE): GCVE-0-2017-1000485
GCVE (VulDB): GCVE-100-111289

Entryinfo

Created: 01/04/2018 07:28
Updated: 01/20/2023 08:21
Changes: 01/04/2018 07:28 (58), 12/19/2019 11:59 (2), 01/20/2023 08:21 (4)
Complete: 🔍
Cache ID: 216::103