Security readout for executives and security teams
Plain-English summary
CVE-2023-30086 is a denial-of-service issue in libtiff 4.0.7. A local attacker can trigger a buffer overflow through the tiffcp utility, potentially crashing the process or disrupting services that rely on it. The published CVSS score is 5.5, and there is no KEV listing indicating confirmed active exploitation.
Executive priority
Handle in normal vulnerability remediation cycles, with priority for multi-user systems, shared processing hosts, and products that process TIFF files. Escalate if a critical business service depends on affected libtiff components or a vendor advisory rates your specific product as higher risk.
Technical view
The CVE describes a CWE-787 out-of-bounds write in libtiff 4.0.7, reachable via the tiffcp function in tiffcp.c. The CVSS vector is local, low complexity, low privilege, no user interaction, unchanged scope, and high availability impact only. Public affected-product metadata is incomplete in the provided record.
Likely exposure
Exposure is most likely where libtiff 4.0.7 or bundled tiffcp is installed and local users or local processing workflows can invoke it. Products embedding libtiff may also be relevant, but the CVE record does not provide complete CPE or vendor version mapping.
Exploitation context
The vulnerability requires local access and low privileges according to the CVSS vector. The available sources do not show CISA KEV inclusion or confirmed active exploitation. Treat it primarily as an availability risk unless vendor-specific guidance indicates broader impact.
Researcher notes
The CVE metadata names libtiff 4.0.7 and tiffcp.c but lacks structured affected CPEs and confirmed fix details. Analysis should focus on upstream issue 538, downstream package advisories, and vendor-specific impact statements. Avoid assuming impact for all libtiff versions without corroborating vendor evidence.
Mitigation direction
- Inventory systems and products using libtiff, especially version 4.0.7.
- Review the upstream libtiff issue and vendor advisories for fixed versions or workarounds.
- Prioritize updates from OS, appliance, or application vendors that bundle libtiff.
- Restrict local access to tiffcp where feasible until vendor guidance is applied.
Validation and detection
- Check installed libtiff and tiffcp versions on managed systems.
- Identify third-party products that bundle libtiff and review their advisories.
- Confirm whether NetApp or other vendor advisories apply to your environment.
- Verify patch status through package manager, SBOM, or vendor inventory data.
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-787: 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-2023-30086 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:L/UI:N/S:U/C:N/I:N/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.
SSVC decision data
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:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://gitlab.com/libtiff/libtiff/-/issues/538CVE reference, mitre
- https://security.netapp.com/advisory/ntap-20230616-0003/CVE reference, mitre
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 Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.