National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-7783 Detail

Current Description

If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example.com"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.

Source:  MITRE
Description Last Modified:  06/11/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/100401 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1360842 Exploit Issue Tracking Patch
https://www.exploit-db.com/exploits/43020/ Third Party Advisory VDB Entry
https://www.mozilla.org/security/advisories/mfsa2017-18/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*    versions up to (excluding) 55.0

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7783
NVD Published Date:
06/11/2018
NVD Last Modified:
07/30/2018