CVE-2017-7826

Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. 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 < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2017-26/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-25/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-24/	Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1394530%2C1369561%2C1411458%2C1400003%2C1395138%2C1408412%2C1393840%2C1400763%2C1339259%2C1394265%2C1407740%2C1407751%2C1408005%2C1406398%2C1387799%2C1261175%2C1400554%2C1375146%2C1397811%2C1404636%2C1401804	Issue Tracking Permissions Required Third Party Advisory
https://www.debian.org/security/2017/dsa-4075	Third Party Advisory
https://www.debian.org/security/2017/dsa-4061	Third Party Advisory
https://www.debian.org/security/2017/dsa-4035	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3372	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3247	Third Party Advisory
http://www.securitytracker.com/id/1039803	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101832	Third Party Advisory VDB Entry
https://usn.ubuntu.com/3688-1/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*

Configuration 4 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Configuration 5 (hide)

cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*

Configuration 6 (hide)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Information

Published : 2018-06-11 14:29

Updated : 2018-08-01 05:06

NVD link : CVE-2017-7826

Mitre link : CVE-2017-7826

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Products Affected

redhat

enterprise_linux_desktop
enterprise_linux_server_aus
enterprise_linux_workstation
enterprise_linux_server_eus
enterprise_linux_server

mozilla

firefox_esr
thunderbird
firefox

canonical

ubuntu_linux

debian

debian_linux

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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 < 57, Firefox ESR < 52.5, and Thunderbird < 52.5."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-119"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-7826", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2018-06-11T21:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "57.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "52.5.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "52.5.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-08-01T12:06Z"}

9.8 /10