CVE-2019-11708
Confirmed PUBLISHEDInsufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.
- CVE Published
- Jul 23, 2019
- Exploitation Reported
- May 23, 2022
- CVSS
- 10.0 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Mozilla |
Firefox ESR
|
unspecified to < 60.7.2 |
Affected |
| Mozilla |
Firefox
|
unspecified to < 67.0.4 |
Affected |
| Mozilla |
Thunderbird
|
unspecified to < 60.7.2 |
Affected |
CVE References
- GLSA-201908-12 security.gentoo.org · Vendor Advisory https://security.gentoo.org/glsa/201908-12
- mozilla.org/security/advisories/mfsa2019-19 mozilla.org · CVE Record https://www.mozilla.org/security/advisories/mfsa2019-19/
- mozilla.org/security/advisories/mfsa2019-20 mozilla.org · CVE Record https://www.mozilla.org/security/advisories/mfsa2019-20/
- bugzilla.mozilla.org/show_bug.cgi bugzilla.mozilla.org · CVE Record https://bugzilla.mozilla.org/show_bug.cgi?id=1559858
- packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-6...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-05-23 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2022-05-23 00:00:00 UTC · CISA
Proof of concept available
Recorded 2019-09-29 07:08:52 UTC · GitHub
Weaknesses (CWE)
-
Improper Input Validation
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2019-09-29 07:08:52 UTC · 624 stars
Full exploit chain (CVE-2019-11708 & CVE-2019-9810) against Firefox on Windows 64-bit.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 4 years ago00:00 UTC · about 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
07:08 UTC almost 7 years ago07:08 UTC · almost 7 years ago
Public PoC available
Public proof-of-concept code published
-
13:20 UTC almost 7 years ago13:20 UTC · almost 7 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC about 7 years ago00:00 UTC · about 7 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2019-11708
{
"cve_id": "CVE-2019-11708",
"title": "Insufficient vetting of parameters passed with the Prompt:Open IPC message be...",
"affected_vendor": "Mozilla",
"affected_product": "Firefox ESR, Firefox, Thunderbird",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 10.0,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}