Home/CVE/When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unpriv
CVE

CVE-2019-17009

When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unpriv

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.

HIGH · CVSS 7.8 EPSS 0.00136
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

4
mozilla firefox< 71.0
mozilla firefox esr< 68.3
mozilla thunderbird< 68.3
opensuse leapall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jan 2020 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2020:0002-1
suse-csafopenSUSE-SU-2020:0003-1
suse-csafSUSE-SU-2019:14260-1
suse-csafSUSE-SU-2019:3347-1
suse-csafSUSE-SU-2019:3337-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlMailing ListThird Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1510494Permissions Required
https://www.mozilla.org/security/advisories/mfsa2019-36/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-37/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-38/Vendor Advisory
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