diff options
| -rw-r--r-- | verifier.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/verifier.cpp b/verifier.cpp index 61e5adf..bf7071d 100644 --- a/verifier.cpp +++ b/verifier.cpp @@ -144,6 +144,12 @@ int verify_file(unsigned char* addr, size_t length, LOGI("comment is %zu bytes; signature %zu bytes from end\n", comment_size, signature_start); + if (signature_start > comment_size) { + LOGE("signature start: %zu is larger than comment size: %zu\n", signature_start, + comment_size); + return VERIFY_FAILURE; + } + if (signature_start <= FOOTER_SIZE) { LOGE("Signature start is in the footer"); return VERIFY_FAILURE; |