Vulnerability CVE-2017-7811

Vulnerability Name:

CVE-2017-7811 (CCN-132760)

Assigned:

2017-09-28

Published:

2017-09-28

Updated:

2018-07-30

Summary:

Memory safety bugs were reported in Firefox 55. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 56.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/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): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-119

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2017-7811

Source: BID
Type: Third Party Advisory, VDB Entry
101057

Source: CCN
Type: BID-101057
Mozilla Firefox Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039465

Source: CONFIRM
Type: Exploit, Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1392105%2C1395919%2C1388113%2C1348955%2C1394522%2C1387659%2C1369560%2C1388045%2C1378658%2C1379414%2C1385112%2C1367497

Source: XF
Type: UNKNOWN
firefox-cve20177811-code-exec(132760)

Source: CCN
Type: Mozilla Foundation Security Advisory 2017-21
Security vulnerabilities fixed in Firefox 56

Source: CONFIRM
Type: Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-21/

Vulnerable Configuration:

Configuration 1:

cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version < 56.0)

Configuration CCN 1:

cpe:/a:mozilla:firefox:55.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20177811	V	CVE-2017-7811	2022-06-30
oval:org.opensuse.security:def:111899	P	MozillaFirefox-92.0-1.2 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:105476	P	MozillaFirefox-92.0-1.2 on GA media (Moderate)	2021-10-01
oval:com.ubuntu.bionic:def:201778110000000	V	CVE-2017-7811 on Ubuntu 18.04 LTS (bionic) - medium.	2018-06-11
oval:com.ubuntu.artful:def:20177811000	V	CVE-2017-7811 on Ubuntu 17.10 (artful) - medium.	2018-06-11
oval:com.ubuntu.xenial:def:20177811000	V	CVE-2017-7811 on Ubuntu 16.04 LTS (xenial) - medium.	2018-06-11
oval:com.ubuntu.xenial:def:201778110000000	V	CVE-2017-7811 on Ubuntu 16.04 LTS (xenial) - medium.	2018-06-11
oval:com.ubuntu.bionic:def:20177811000	V	CVE-2017-7811 on Ubuntu 18.04 LTS (bionic) - medium.	2018-06-11
oval:com.ubuntu.disco:def:201778110000000	V	CVE-2017-7811 on Ubuntu 19.04 (disco) - medium.	2018-06-11
oval:com.ubuntu.cosmic:def:20177811000	V	CVE-2017-7811 on Ubuntu 18.10 (cosmic) - medium.	2018-06-11
oval:com.ubuntu.cosmic:def:201778110000000	V	CVE-2017-7811 on Ubuntu 18.10 (cosmic) - medium.	2018-06-11
oval:com.ubuntu.trusty:def:20177811000	V	CVE-2017-7811 on Ubuntu 14.04 LTS (trusty) - medium.	2018-06-11

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