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container-cve

High-impact container-runtime CVE catalog — runC Leaky Vessels (CVE-2024-21626/-23651/-23652/-23653), CVE-2022-0185 (FUSE/legacy-fs), CVE-2019-5736 (runC binary replace), CRI-O Dirty COW analogs, Kubernetes API server CVE-2019-11247 (custom-resource RBAC bypass). Fingerprint → match → exploit.

65

Quality

78%

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SecuritybySnyk

Critical

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tessl review fix ./packages/decepticon/decepticon/skills/standard/cloud/container/container-cve/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

82%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is a lean, well-structured exploit catalog with executable fingerprinting and several complete PoC snippets, plus a sequenced workflow with a validation checkpoint. It could improve actionability by inlining more PoC detail instead of leaning on external links.

Suggestions

Inline a minimal working snippet for the entries that currently only link to external PoC repos (CVE-2022-0185, CVE-2019-5736, CVE-2018-15664) so guidance is self-contained.

Add an explicit failure-handling step to the workflow (e.g., 'If the exploit fails, re-check the kernel/FUSE version and try the next matching CVE').

Verify the referenced external PoC URLs and references still resolve, since time-sensitive exploit links decay.

DimensionReasoningScore

Conciseness

Lean and efficient throughout: each CVE entry is a terse Affects/Primitive pair with minimal code or a PoC link, with no padding explaining what CVEs or containers are. Every token earns its place.

5 / 5

Actionability

The fingerprint block, the CVE-2024-21626 Dockerfile, and the CRI-O Pod YAML are executable and copy-paste ready, but several entries (CVE-2022-0185, CVE-2019-5736, CVE-2019-14271, CVE-2018-15664, CVE-2019-11247) rely on external PoC links or primitive-only descriptions rather than inline code.

4 / 5

Workflow Clarity

A clear four-step sequence (lookup/intersect → poc lookup → try in a copy first → pivot) with a validation checkpoint ('Try in a copy of the target environment first'), though it lacks an explicit failure feedback loop.

4 / 5

Progressive Disclosure

Well-organized into clear sections (Fingerprint, Catalog, Workflow, OPSEC, References) with external references signaled at the end; no bundle files exist, and the inline catalog is appropriately placed, with only minor organization gaps.

4 / 5

Total

17

/

20

Passed

Description

75%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is highly specific and distinctive, cataloging concrete CVEs and primitives with strong technical trigger keywords. Its main weakness is the missing explicit 'Use when...' trigger guidance, which caps completeness.

Suggestions

Add an explicit 'Use when...' clause naming natural trigger phrases (e.g., 'Use when targeting a container runtime for a CVE-based escape, or when the user mentions runc/containerd/cri-o vulnerabilities or container breakouts').

Include more colloquial trigger terms like 'container escape', 'container breakout', or 'runc vulnerability' alongside the CVE IDs.

Keep the terse catalog listing but ensure the 'when' is as concrete as the 'what'.

DimensionReasoningScore

Specificity

Names the domain ('container-runtime CVE catalog') and lists many concrete CVEs with their primitives ('runC binary replace', 'custom-resource RBAC bypass', 'Fingerprint → match → exploit'), giving comprehensive coverage.

5 / 5

Completeness

The 'what' is clear (a CVE catalog with fingerprint/match/exploit), but there is no explicit 'Use when...' trigger clause, so per the guidelines completeness is capped at 3 with 'when' only weakly implied.

3 / 5

Trigger Term Quality

Strong technical keywords (runC, containerd, cri-o, k8s api server, CVE-2024-21626, 'Leaky Vessels') that a user would cite, but misses common natural phrasings like 'container escape', 'container breakout', or 'runc vulnerability'.

4 / 5

Distinctiveness Conflict Risk

A narrow, specific niche (container-runtime CVEs keyed to exact CVE IDs and components) with minimal overlap risk against other skills.

5 / 5

Total

17

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

Total

15

/

16

Passed

Repository
PurpleAILAB/Decepticon
Reviewed

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