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CVE

CVE-2019-17021

During the initialization of a new content process, a race condition occurs that can allow a content process to disclose

During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. Note: this issue only occurs on Windows. Other operating systems are unaffected.. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

MEDIUM · CVSS 5.3 EPSS 0.00472
Schedule remediation
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
▤

Affected Products & Versions

3
mozilla firefox< 72.0
mozilla firefox esr< 68.4
opensuse leapall versions
⚠

Public Exploits & PoCs

2
pocpacketstormsecurity.com · Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlpacketstormsecurity.com
pocbugzilla.mozilla.org · show_bug.cgi?id=1599008bugzilla.mozilla.org
◈

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

5.3
MEDIUM · 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:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:10601-1
suse-csafopenSUSE-SU-2020:0094-1
suse-csafSUSE-SU-2020:0142-1
suse-csafopenSUSE-SU-2020:0060-1
suse-csafSUSE-SU-2020:0078-1
🔗

References & Sources

5
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/msg00029.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.htmlMailing ListThird Party Advisory
https://seclists.org/bugtraq/2020/Jan/18Mailing ListThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-02/Vendor Advisory
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