Security readout for executives and security teams
Plain-English summary
This issue affects a file extraction tool. If vulnerable Info-Zip UnZip 6.10c22 handles a malicious archive, the process may crash and possibly be abused to run code. Business urgency depends on whether the tool processes files from users, email, partners, or automated upload workflows.
Executive priority
Prioritize review where archive extraction is internet-facing, automated, or handles partner/customer files. If vulnerable use is confirmed in those paths, remediate promptly. If UnZip is absent or only used on trusted administrative workflows, urgency is lower but still requires tracking.
Technical view
CVE-2018-1000031 is a heap-based buffer overflow in Info-Zip UnZip 6.10c22. The CVE states denial of service or possible code execution. The provided metadata lacks CVSS, CWE, CPE, and fixed-version detail, so affected inventory and remediation must be confirmed against vendor or advisory guidance.
Likely exposure
Exposure is most likely where Info-Zip UnZip 6.10c22 is installed and used to process untrusted archives, especially in upload portals, mail gateways, CI pipelines, support tooling, or backend automation. The source bundle does not provide CPEs or package mappings.
Exploitation context
The source bundle does not show CISA KEV listing, active exploitation, or public exploit confirmation. Treat exploitation status as unconfirmed. The risk is credible because archive parsing is a common attack surface and the stated impact includes possible code execution.
Researcher notes
The CVE record is sparse: affected fields are listed as n/a, while the title and description name Info-Zip UnZip 6.10c22. No CVSS vector, CWE, or fix version is provided in the bundle. Avoid assuming broader version ranges without advisory or maintainer evidence.
Mitigation direction
- Inventory systems and containers for Info-Zip UnZip 6.10c22.
- Check SEC Consult and vendor/package maintainer guidance for fixed versions.
- Avoid processing untrusted archives with vulnerable UnZip builds.
- Isolate archive extraction services from sensitive systems and credentials.
- Use compensating controls around upload and mail-processing workflows.
Validation and detection
- Confirm installed UnZip versions across hosts, images, and build environments.
- Identify applications that invoke UnZip on user-supplied archives.
- Review package manager advisories for patched downstream builds.
- Check logs for crashes in archive extraction workflows.
- Verify remediation by confirming the vulnerable version is removed.
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-2018-1000031 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
- 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://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-infozip-unzip/index.htmlCVE 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.