Security readout for executives and security teams
Plain-English summary
CVE-2018-1000660 is a Tock OS memory-safety boundary issue. In vulnerable source versions before commit 42f7f36e74088036068d62253e1d8fb26605feed, an untrusted Tock capsule could access arbitrary memory using only safe code. This matters most for embedded deployments that rely on Tock’s capsule isolation model.
Executive priority
Treat this as a targeted embedded-platform risk. Prioritize if your products use Tock with untrusted capsules or third-party drivers. If Tock is not in your environment, business exposure is likely low, but confirm through firmware inventory.
Technical view
The CVE describes insecure permissions in get_package_name in kernel/src/tbfheader.rs and package_name handling in process.rs. The reported impact is arbitrary memory access by a Tock capsule, including untrusted drivers, without unsafe code. The public record says the issue appears fixed in commit 42f7f36e74088036068d62253e1d8fb26605feed.
Likely exposure
Exposure is likely limited to systems built from Tock revisions before the fixed commit, especially deployments that load or trust-isolate third-party capsules. The CVE record does not provide CPEs, affected release numbers, or downstream product mappings.
Exploitation context
The source bundle does not show active exploitation, and the CVE is not listed as KEV. The stated abuse case is a malicious or compromised Tock capsule accessing memory outside its intended boundaries.
Researcher notes
The public record is sparse: no CVSS, CWE, CPE, or release matrix is provided. Analysis should anchor on source revision comparison and the upstream GitHub issue. Avoid assuming affected commercial products without build evidence.
Mitigation direction
- Identify whether any embedded products or firmware use Tock OS.
- Compare deployed Tock source revisions against the fixed commit.
- Update to commit 42f7f36e74088036068d62253e1d8fb26605feed or later.
- Check Tock upstream guidance for release-specific fixes.
- Limit untrusted capsule deployment until fixed builds are verified.
Validation and detection
- Inventory firmware builds and record exact Tock commit hashes.
- Confirm the fixed commit is present in maintained branches.
- Review whether deployments use untrusted or third-party capsules.
- Run existing memory-isolation regression tests after updating.
- Track the upstream GitHub issue for additional maintainer context.
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.
CVE-2018-1000660 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://github.com/tock/tock/issues/1147CVE 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.