Security readout for executives and security teams
Plain-English summary
CVE-2018-3757 is a command injection issue in pdf-image v2.0.0. If an application passes attacker-controlled values into the vulnerable parameter, the host running the conversion process may execute unintended commands. Business risk depends on whether this npm library is present and exposed to untrusted PDF or image conversion input.
Executive priority
Prioritize if pdf-image v2.0.0 is used in internet-facing or multi-tenant conversion workflows. If the library is absent or only receives trusted internal input, urgency is lower but dependency cleanup is still warranted.
Technical view
The CVE description identifies an unescaped string parameter in pdf-image v2.0.0. The referenced GitHub commit confirms an upstream code change related to escaping. No CVSS, CWE, affected CPE, or exploit maturity details are provided in the bundle, so exposure assessment requires dependency and data-flow validation.
Likely exposure
Likely exposure is applications or services using pdf-image v2.0.0, especially where web users, tenants, or integrations can influence file paths, PDF names, options, or conversion inputs. The bundle does not identify broader affected products or versions.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The vulnerability class is serious because command injection can cross from application input handling into operating-system execution when vulnerable code is reachable.
Researcher notes
Evidence is sparse: the CVE record gives a concise command injection description, HackerOne is listed as the disclosure reference, and GitHub provides a confirming commit. No CVSS vector, CWE, proof of exploitation, or fixed package version is included in the supplied bundle.
Mitigation direction
- Inventory applications and lockfiles for pdf-image v2.0.0.
- Apply the upstream fix or a vendor-confirmed release containing it.
- Remove or replace the dependency if a fixed release cannot be verified.
- Block untrusted input from reaching PDF conversion parameters.
- Run conversion workers with least privilege and isolation.
Validation and detection
- Check package manifests and lockfiles for pdf-image version 2.0.0.
- Trace all call sites that pass input into pdf-image.
- Confirm deployed code includes the referenced escaping fix.
- Review public routes and APIs that trigger PDF conversion.
- Verify conversion processes run under restricted service accounts.
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-2018-3757 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://hackerone.com/reports/340208CVE reference · x_refsource_MISC
- https://github.com/roest01/node-pdf-image/commit/54679496a89738443917608c2bbe2f6e5dd20e83CVE reference · x_refsource_CONFIRM
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.