Security readout for executives and security teams
Plain-English summary
This issue concerns Go's own test script behavior on shared machines, not a typical internet-facing application flaw. A test helper created a temporary file with a predictable name and then executed it, creating risk when untrusted local users share the same system.
Executive priority
Treat this as targeted operational hygiene for build and test infrastructure, not an emergency internet-exposure issue. Prioritize if legacy Go toolchains run on shared servers or regulated build environments.
Technical view
CVE-2012-2666 is a CWE-377 predictable temporary file issue in Go's src/pkg/debug/gosym/pclntab_test.go dotest() path. The vulnerable test flow created a predictable temporary shell script and executed it. The source bundle links the upstream Go commit and code review associated with the fix.
Likely exposure
Exposure appears limited to systems running affected Go source tests or all.bash-style build validation on shared machines. Production applications built with Go are not identified by the sources as directly vulnerable.
Exploitation context
The bundle does not cite active exploitation, and KEV status is false. Practical risk depends on local shared-system conditions where another user could interfere with predictable temporary-file handling during test execution.
Researcher notes
Evidence is narrow and old. The affected behavior is described at the test-helper level, with references to Go upstream review and commit. No CVSS, exploit-in-the-wild claim, or broad product impact is provided in the bundle.
Mitigation direction
- Apply the upstream Go fix or vendor package update where relevant.
- Avoid running affected Go tests on shared systems with untrusted local users.
- Run build and test jobs in isolated workspaces or single-tenant CI runners.
- Check vendor advisories, including NetApp, for product-specific impact statements.
Validation and detection
- Inventory Go source or package versions against the referenced CVE record.
- Check whether all.bash or affected Go tests run on shared machines.
- Review pclntab_test.go for predictable temporary shell script creation.
- Confirm the upstream commit or equivalent vendor patch is present.
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-377: 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-2012-2666 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://www.whitesourcesoftware.com/vulnerability-database/CVE-2012-2666CVE reference · x_refsource_MISC
- https://bugzilla.suse.com/show_bug.cgi?id=765455CVE reference · x_refsource_MISC
- https://github.com/golang/go/commit/8ac275bb01588a8c0e6c0fe2de7fd11f08feccddCVE reference · x_refsource_MISC
- https://codereview.appspot.com/5992078CVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210902-0009/CVE 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.
Insecure Temporary File
Insecure Temporary File represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.