Security readout for executives and security teams
Plain-English summary
CVE-2018-4038 affects Atlantis Word Processor when it opens a malicious OpenDocument-format file. A victim must be persuaded to open the document. If triggered, memory corruption may let the attacker run code with the same privileges as the user running the application.
Executive priority
Treat this as a high-priority endpoint application risk where Atlantis Word Processor is deployed. The business urgency is highest for users handling external documents, because compromise can occur through document opening rather than server exposure.
Technical view
The ODF parser in Atlantis Word Processor 3.2.7.1 and 3.2.7.2 can accept an untrusted length value, miscalculate a write position, and write a null byte out of bounds while null-terminating a string. The reported impact is memory corruption leading to possible code execution in the application context.
Likely exposure
Exposure is limited to environments where Atlantis Word Processor 3.2.7.1 or 3.2.7.2 is installed and used to open ODF documents, especially documents received from email, downloads, or external parties.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires user interaction: the attacker must convince a victim to open a specially crafted document in the affected application.
Researcher notes
The record gives CVSS 3.0 score 8.8 with network attack vector, low complexity, no privileges, and required user interaction. Sources identify arbitrary write and possible code execution, but the bundle does not include CWE mapping, patch details, or evidence of exploitation in the wild.
Mitigation direction
- Inventory endpoints for Atlantis Word Processor 3.2.7.1 and 3.2.7.2.
- Check Atlantis vendor guidance for fixed versions or supported upgrade paths.
- Upgrade or remove affected versions where business use is not required.
- Block or sandbox untrusted ODF attachments until affected installations are remediated.
- Reduce file associations that open ODF documents in vulnerable Atlantis versions.
Validation and detection
- Confirm installed Atlantis Word Processor versions across managed endpoints.
- Identify users who receive or open external ODF documents.
- Verify whether ODF files are associated with Atlantis on affected systems.
- Review vendor advisories for the exact fixed build before closing remediation.
- Monitor vulnerability intelligence for any later exploitation reports.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-4038 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0711CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.