⬢ DragonFlyBSD Kernel Audit
DF-3569 / manifest.json
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{
  "finding_id": "DF-3569",
  "file": "sys/crypto/camellia/camellia-api.c",
  "title": "camellia_set_key() accepts any key length: no API-boundary validation of bits; on production kernels an invalid length yields an never-generated schedule and identity-function encryption",
  "verdict": "reproduced",
  "impact": "none",
  "confidence": "certain",
  "reproduce": {
    "build": "cd /tmp/df3569 && cc -O2 -DNDEBUG -I /usr/src/sys -o guard_prod guard_cam_badbits.c /usr/src/sys/crypto/camellia/camellia-api.c /usr/src/sys/crypto/camellia/camellia.c   (plus guard_dbg without -DNDEBUG and guard_fix from a fix.diff-patched source copy; see build.sh)",
    "run": "./guard_prod kat; ./guard_prod guard; ./guard_dbg guard; ./guard_fix kat; ./guard_fix guard   (see run.sh)",
    "expected": "prod guard: BUG-CONFIRMED exit 42 (ctx->bits stores invalid length, schedule sentinel intact = never generated, ciphertext == plaintext); dbg guard: KASSERT assert abort at camellia.c:1254; fix kat: RESULT-PASS 0 failures; fix guard: BUG-NOT-PRESENT exit 0"
  },
  "kernel_refs": [
    "sys/crypto/camellia/camellia-api.c:36",
    "sys/crypto/camellia/camellia-api.c:40",
    "sys/crypto/camellia/camellia-api.c:41",
    "sys/crypto/camellia/camellia-api.c:44",
    "sys/crypto/camellia/camellia-api.c:51",
    "sys/crypto/camellia/camellia.h:36",
    "sys/crypto/camellia/camellia.h:41",
    "sys/crypto/camellia/camellia.c:1249",
    "sys/crypto/camellia/camellia.c:1253",
    "sys/crypto/camellia/camellia.c:1266",
    "sys/crypto/camellia/camellia.c:1271",
    "sys/crypto/camellia/camellia.c:1303",
    "sys/conf/files:2259",
    "sys/crypto/Makefile:20"
  ],
  "artifacts": [
    "README.md",
    "VERDICT.md",
    "guard_cam_badbits.c",
    "fix.diff",
    "build.sh",
    "run.sh",
    "build.log",
    "run.log",
    "fixval.log",
    "env.txt",
    "manifest.json",
    "verdict.json"
  ]
}