This section identifies rules and recommendations related to the functions defined in C99 Section 7.20.4, "Communication with the environment".
Recommendations
ENV00-A. Do not store the pointer to the string returned by getenv()
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ENV04-A. Do not call system() if you do not need a command processor
Rules
ENV30-C. Do not modify the string returned by getenv()
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ENV33-C. Do not call the longjmp function to terminate a call to a function registered by atexit()
Risk Assessment Summary
Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
ENV00-A | 1 (low) | 1 (unlikely) | 2 (medium) | P2 | L3 |
ENV01-A | 3 (high) | 3 (unlikely) | 3 (low) | P27 | L1 |
ENV02-A | 2 (medium) | 1 (unlikely) | 3 (low) | P6 | L2 |
ENV03-A | 2 (medium) | 2 (probable) | 2 (medium) | P8 | L2 |
ENV04-A | 3 (high) | 2 (probable) | 2 (medium) | P12 | L1 |
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
ENV30-C | 1 (low) | 1 (unlikely) | 3 (low) | P3 | L3 |
ENV31-C | 1 (low) | 1 (unlikely) | 3 (low) | P3 | L3 |
ENV32-C | 1 (low) | 1 (unlikely) | 3 (low) | P3 | L3 |
ENV33-C | 1 (low) | 1 (unlikely) | 3 (low) | P3 | L3 |
Related Rules and Recommendations
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