Security readout for executives and security teams
Plain-English summary
A malicious PowerPoint file can corrupt memory in Antenna House Office Server Document Converter and may allow remote code execution when the file is processed. Business risk is highest where document conversion services handle untrusted PPT files, such as customer uploads, email attachments, or automated intake workflows.
Executive priority
Treat as high priority if this converter processes external PowerPoint files. The main business risk is attacker-controlled document conversion leading to compromise of the conversion server and possible access to adjacent systems.
Technical view
CVE-2018-3929 is a heap corruption vulnerability in PowerPoint conversion in Antenna House Office Server Document Converter V6.1 Pro MR2 for Linux64 (6,1,2018,0312). The CVSS 3.0 score is 8.8: network reachable, low complexity, no privileges, user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to deployments running the specified Antenna House Office Server Document Converter Linux64 version and processing PowerPoint documents. Internet-facing or automated conversion pipelines accepting third-party PPT files are the highest concern.
Exploitation context
The supplied sources describe remote code execution via a crafted PPT document. KEV status is false, and the bundle provides no evidence of active exploitation in the wild. User interaction or document processing is required by the CVSS vector.
Researcher notes
The evidence identifies heap corruption in PPT conversion with RCE impact, but the provided bundle does not name a patch version or mitigation. Avoid assuming broader Antenna House products or versions are affected beyond the listed release.
Mitigation direction
- Inventory Antenna House Office Server Document Converter deployments and confirm exact versions.
- Check Antenna House guidance for fixed releases, upgrades, or supported workarounds.
- Suspend or restrict PowerPoint conversion for untrusted files until remediated.
- Isolate conversion workers from sensitive networks and data stores.
- Apply strict file intake controls for PPT documents entering conversion workflows.
Validation and detection
- Confirm whether version V6.1 Pro MR2 Linux64 (6,1,2018,0312) is installed.
- Map all routes where users or systems submit PowerPoint files for conversion.
- Review converter logs for crashes or abnormal failures during PPT processing.
- Verify conversion workers run with least privilege and limited network reach.
- Confirm remediation status against vendor guidance, not inferred package names.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
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-2018-3929 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0596CVE 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.