Mark Andrews
c5e1c35e45
Silence untrusted loop bound on nsec3param.iterations
630
1. tainted_argument: Calling function dns_rdata_tostruct taints argument nsec3param.iterations. [show details]
631 result = dns_rdata_tostruct(nsec3rdata, &nsec3param, NULL);
2. Condition !!(result == 0), taking true branch.
3. Condition !!(result == 0), taking true branch.
632 RUNTIME_CHECK(result == ISC_R_SUCCESS);
633
634 dns_fixedname_init(&fixed);
CID 281425 (#1 of 1): Untrusted loop bound (TAINTED_SCALAR)
4. tainted_data: Passing tainted expression nsec3param.iterations to dns_nsec3_hashname, which uses it as a loop boundary. [show details]
Ensure that tainted values are properly sanitized, by checking that their values are within a permissible range.
635 result = dns_nsec3_hashname(&fixed, rawhash, &rhsize, vctx->origin,
636 vctx->origin, nsec3param.hash,
637 nsec3param.iterations, nsec3param.salt,
638 nsec3param.salt_length);
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