Vulnerability Name:

CVE-2018-10994 (CCN-143391)

Assigned:2018-05-11
Published:2018-05-11
Updated:2018-06-18
Summary:js/views/message_view.js in Open Whisper Signal (aka Signal-Desktop) before 1.10.1 allows XSS via a URL.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2018-10994

Source: CCN
Type: Full-Disclosure Mailing List, Mon, 14 May 2018 20:51:42 -0300
CVE-2018-10994: HTML tag injection in Signal-desktop

Source: XF
Type: UNKNOWN
signal-cve201810994-xss(143391)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/signalapp/Signal-Desktop/commit/bfbd84f5d1308cdfcb08a1727821f7103be151ea

Source: MISC
Type: Release Notes, Third Party Advisory
https://github.com/signalapp/Signal-Desktop/releases/tag/v1.10.1

Source: CCN
Type: Signal-Desktop Git Repository
Release v1.11.0-beta.3 · signalapp/Signal-Desktop · GitHub

Source: CCN
Type: Packet Storm Security [05-15-2018]
Signal Desktop HTML Injection

Source: CCN
Type: Signal Web site
Signal >> Home

Source: MISC
Type: Exploit, Third Party Advisory
https://twitter.com/bcrypt/status/995057030304952320

Source: MISC
Type: Third Party Advisory
https://twitter.com/lorenzoFB/status/995048605399633926

Source: MISC
Type: Exploit, Third Party Advisory
https://twitter.com/ortegaalfredo/status/995940738839056384

Vulnerable Configuration:Configuration 1:
  • cpe:/a:signal:signal-desktop:*:*:*:*:*:*:*:* (Version < 1.10.1)

    • * Denotes that component is vulnerable
    BACK
    signal signal-desktop *