CVE-2018-0802
Confirmed PUBLISHEDEquation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0797 and CVE-2018-0812.
- CVE Published
- Jan 10, 2018
- Exploitation Reported
- Nov 03, 2021
- CVSS
- 7.8 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Microsoft Corporation |
Equation Editor
|
Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 |
Affected |
CVE References
- 1040153 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1040153
- 102347 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/102347
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802 portal.msrc.microsoft.com · CVE Record https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CV...
- GitHub — rxwx/CVE-2018-0802 github.com · CVE Record https://github.com/rxwx/CVE-2018-0802
- 0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-... 0patch.blogspot.com · CVE Record https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-edit...
Show 2 more references
- GitHub — zldww2011/CVE-2018-0802_POC github.com · CVE Record https://github.com/zldww2011/CVE-2018-0802_POC
- research.checkpoint.com/another-office-equation-rce-vulnerability research.checkpoint.com · CVE Record https://research.checkpoint.com/another-office-equation-rce-vulnerabi...
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 | 2021-11-03 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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2021-11-03 00:00:00 UTC · CISA
Proof of concept available
Recorded 2018-01-11 09:16:32 UTC · GitHub
Weaknesses (CWE)
-
Out-of-bounds Write
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2021-02-20 02:34:16 UTC · 0 stars
github · Created 2018-01-16 05:49:01 UTC · 11 stars
github · Created 2018-01-11 09:43:46 UTC · 270 stars
PoC Exploit for CVE-2018-0802 (and optionally CVE-2017-11882)
github · Created 2018-01-11 09:16:32 UTC · 68 stars
Exploit the vulnerability to execute the calculator
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
09:16 UTC over 8 years ago09:16 UTC · over 8 years ago
Public PoC available
Public proof-of-concept code published
-
01:00 UTC over 8 years ago01:00 UTC · over 8 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 8 years ago00:00 UTC · over 8 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-2018-0802
{
"cve_id": "CVE-2018-0802",
"title": "Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Of...",
"affected_vendor": "Microsoft Corporation",
"affected_product": "Equation Editor",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 7.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}