CVE-2018-6654

The Grammarly extension before 2018-02-02 for Chrome allows remote attackers to discover authentication tokens via an 'action: "user"' request to iframe.gr_-ifr, because the exposure of these tokens is not restricted to any specific web site.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=1527	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:grammarly:grammarly:2018-02-02:*:*:*:*:chrome:*:*

History

No history.

Information

Published : 2018-02-06 01:29

Updated : 2019-10-03 00:03

NVD link : CVE-2018-6654

Mitre link : CVE-2018-6654

CVE.ORG link : CVE-2018-6654

JSON object : View

Products Affected

grammarly

grammarly

CWE

CWE-346

Origin Validation Error

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