CVE-2018-0802
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2021-11-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-05-03 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 93.3% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2021-11-03
- Exploit probability
- 93.3% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Analyzed
Affected
- Microsoft Office 2007
- Microsoft Office 2010
- Microsoft Office 2013
- Microsoft Office 2016
- Microsoft Office Compatibility Pack
- Microsoft Word 2007
- Microsoft Word 2010
- Microsoft Word 2013
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-0802.md and follow it. Check whether this project is affected by CVE-2018-0802. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
References
- http://www.securityfocus.com/bid/102347
- http://www.securitytracker.com/id/1040153
- https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
- https://github.com/rxwx/CVE-2018-0802
- https://github.com/zldww2011/CVE-2018-0802_POC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
- https://research.checkpoint.com/another-office-equation-rce-vulnerability/
- http://www.securityfocus.com/bid/102347
- http://www.securitytracker.com/id/1040153
- https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
- https://github.com/rxwx/CVE-2018-0802
- https://github.com/zldww2011/CVE-2018-0802_POC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
- https://research.checkpoint.com/another-office-equation-rce-vulnerability/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0802