National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7804 Detail

Current Description

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Source:  MITRE
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:H/A:N (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): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N) (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): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/100234 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1372849 Issue Tracking Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
55.0
 cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
52.3.0
 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
52.3.0
Running on/with
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7804
NVD Published Date:
06/11/2018
NVD Last Modified:
08/06/2018