CVE-2018-6651 Information

Description

In the uncurl_ws_accept function in uncurl.c in uncurl before 0.07 as used in Parsec before 140-3 insufficient Origin header validation (accepting an arbitrary substring match) for WebSocket API requests allows remote attackers to bypass intended access restrictions. In Parsec this means full control over the victim’s computer.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://gist.github.com/Zenexer/ac7601c0e367d876353137e5099b18a7 https://github.com/chrisd1100/uncurl/commit/448cd13e7b18c83855d706c564341ddd1e38e769 https://github.com/chrisd1100/uncurl/commit/448cd13e7b18c83855d706c564341ddd1e38e769 https://github.com/chrisd1100/uncurl/releases/tag/0.07 https://github.com/chrisd1100/uncurl/releases/tag/0.07 In the uncurl_ws_accept function in uncurl.c in uncurl before 0.07 as used in Parsec before 140-3 insufficient Origin header validation (accepting an arbitrary substring match) for WebSocket API requests allows remote attackers to bypass intended access restrictions. In Parsec this means full control over the victim’s computer. cpe:2.3:a:uncurl_project:uncurl::::::::

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8