CVE-2019-17009 : When running, the updater service wrote status and log files to an unrestricted

When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service. *Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.*. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Published 2020-01-08 22:15:12

Updated 2020-08-24 17:37:01

Source Mozilla Corporation

View at NVD, CVE.org

Products affected by CVE-2019-17009

Mozilla » Firefox
Versions before (<) 71.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Mozilla » Thunderbird
Versions before (<) 68.3
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Mozilla » Firefox Esr
Versions before (<) 68.3
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-17009

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 12 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-17009

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2019-17009

https://www.mozilla.org/security/advisories/mfsa2019-37/

Security Vulnerabilities fixed in - Firefox ESR 68.3 — Mozilla
Vendor Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html

[security-announce] openSUSE-SU-2020:0002-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://bugzilla.mozilla.org/show_bug.cgi?id=1510494

Access Denied
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2019-38/

Security Vulnerabilities fixed in - Thunderbird 68.3 — Mozilla
Vendor Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html

[security-announce] openSUSE-SU-2020:0003-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2019-36/

Security Vulnerabilities fixed in - Firefox 71 — Mozilla
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2019-17009

Products affected by CVE-2019-17009

Exploit prediction scoring system (EPSS) score for CVE-2019-17009

CVSS scores for CVE-2019-17009

References for CVE-2019-17009