NVD - CVE-2017-7758

CVE-2017-7758 Detail

Current Description

An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.1 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H (V3 legend)
Impact Score: 5.2
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): High
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.securityfocus.com/bid/99057	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038689	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1440	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1561	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1368490	Exploit Issue Tracking Patch
https://www.debian.org/security/2017/dsa-3881	Third Party Advisory
https://www.debian.org/security/2017/dsa-3918	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/	Vendor Advisory

Technical Details

Vulnerability Type (View All)

Out-of-bounds Read (CWE-125)

Vulnerable software and versions Switch to CPE 2.2

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

Change History

2 change records found - show changes

Initial Analysis - 8/3/2018 10:39:19 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:mozilla:firefox::::::::* versions up to (excluding) 54.0 cpe:2.3:a:mozilla:firefox_esr::::::::* versions up to (excluding) 52.2.0 cpe:2.3:a:mozilla:thunderbird::::::::* versions up to (excluding) 52.2.0
Added	CPE Configuration		OR cpe:2.3:o:debian:debian_linux:8.0::::::: cpe:2.3:o:debian:debian_linux:9.0:::::::
Added	CPE Configuration		Record truncated, showing 500 of 818 characters. View Entire Change Record OR cpe:2.3:o:redhat:enterprise_linux_desktop:6.0::::::: cpe:2.3:o:redhat:enterprise_linux_desktop:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:6.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4::::::: cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2::::::: *cpe:2.3:o:redhat:enter
Added	CVSS V2		(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Added	CVSS V3		AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Added	CWE		CWE-125
Changed	Reference Type	http://www.securityfocus.com/bid/99057 No Types Assigned	http://www.securityfocus.com/bid/99057 Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.securitytracker.com/id/1038689 No Types Assigned	http://www.securitytracker.com/id/1038689 Third Party Advisory, VDB Entry
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:1440 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:1440 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:1561 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:1561 Third Party Advisory
Changed	Reference Type	https://bugzilla.mozilla.org/show_bug.cgi?id=1368490 No Types Assigned	https://bugzilla.mozilla.org/show_bug.cgi?id=1368490 Exploit, Issue Tracking, Patch
Changed	Reference Type	https://www.debian.org/security/2017/dsa-3881 No Types Assigned	https://www.debian.org/security/2017/dsa-3881 Third Party Advisory
Changed	Reference Type	https://www.debian.org/security/2017/dsa-3918 No Types Assigned	https://www.debian.org/security/2017/dsa-3918 Third Party Advisory
Changed	Reference Type	https://www.mozilla.org/security/advisories/mfsa2017-15/ No Types Assigned	https://www.mozilla.org/security/advisories/mfsa2017-15/ Vendor Advisory
Changed	Reference Type	https://www.mozilla.org/security/advisories/mfsa2017-16/ No Types Assigned	https://www.mozilla.org/security/advisories/mfsa2017-16/ Vendor Advisory
Changed	Reference Type	https://www.mozilla.org/security/advisories/mfsa2017-17/ No Types Assigned	https://www.mozilla.org/security/advisories/mfsa2017-17/ Vendor Advisory

CVE Modified by MITRE - 6/12/2018 9:29:10 PM

Action	Type	New Value
Added	Reference	http://www.securityfocus.com/bid/99057 [No Types Assigned]
Added	Reference	http://www.securitytracker.com/id/1038689 [No Types Assigned]
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1440 [No Types Assigned]
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1561 [No Types Assigned]
Added	Reference	https://www.debian.org/security/2017/dsa-3881 [No Types Assigned]
Added	Reference	https://www.debian.org/security/2017/dsa-3918 [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2017-7758
NVD Published Date:
06/11/2018
NVD Last Modified:
08/03/2018

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