Security readout for executives and security teams
Plain-English summary
CVE-2023-29318 is an Adobe InDesign memory disclosure flaw. A malicious file could expose sensitive memory when opened by a victim, potentially helping an attacker bypass defenses such as ASLR. It requires user interaction and is rated medium severity.
Executive priority
Treat this as a moderate workstation risk. It is not shown as actively exploited, but design teams handling external files should be patched promptly because memory disclosure can help attackers bypass protections in broader compromise attempts.
Technical view
Adobe InDesign ID18.3 and earlier, and ID17.4.1 and earlier, are affected by a CWE-125 out-of-bounds read. CVSS 3.1 is 5.5 with local attack vector, low complexity, no privileges, required user interaction, high confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is most likely on workstations running affected Adobe InDesign versions, especially where users open externally supplied design files, templates, or attachments from clients, partners, or public sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires a victim to open a malicious file. The main concern is memory disclosure that could support a larger exploit chain.
Researcher notes
The vulnerability is a confidentiality-only out-of-bounds read with ASLR-bypass relevance. The bundle does not provide exploit details or exact fixed versions, so validation should focus on affected-version inventory and Adobe advisory alignment.
Mitigation direction
- Check Adobe APSB23-38 for the supported update path.
- Upgrade InDesign beyond the affected versions named by Adobe.
- Restrict opening untrusted InDesign files from external sources.
- Use endpoint controls to limit risky attachment handling.
- Prioritize users handling inbound design files.
Validation and detection
- Inventory installed Adobe InDesign versions across endpoints.
- Flag ID18.3 or earlier and ID17.4.1 or earlier.
- Confirm remediation status against Adobe APSB23-38.
- Review email and file-transfer workflows for external InDesign files.
- Verify endpoint management reports successful update deployment.
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.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-29318 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/indesign/apsb23-38.htmlCVE reference · vendor-advisory
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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.