Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler.
Number of rules (primarily dangerous function names) in C/C++ ruleset: 223
Examining data/r-cran-rcurl-1.98-1.2/src/CurlOptEnums.h
Examining data/r-cran-rcurl-1.98-1.2/src/CurlInfoEnums.h
Examining data/r-cran-rcurl-1.98-1.2/src/base64.c
Examining data/r-cran-rcurl-1.98-1.2/src/curl_base64.c
Examining data/r-cran-rcurl-1.98-1.2/src/CURLOptTable.h
Examining data/r-cran-rcurl-1.98-1.2/src/curl.c
Examining data/r-cran-rcurl-1.98-1.2/src/CurlErrorEnums.h
Examining data/r-cran-rcurl-1.98-1.2/src/CURLINFOTable.h
Examining data/r-cran-rcurl-1.98-1.2/src/myUTF8.c
Examining data/r-cran-rcurl-1.98-1.2/src/Rcurl.h
Examining data/r-cran-rcurl-1.98-1.2/src/memoryManagement.c
Examining data/r-cran-rcurl-1.98-1.2/src/enums.c
Examining data/r-cran-rcurl-1.98-1.2/src/json.c
Examining data/r-cran-rcurl-1.98-1.2/src/curlInit.c
Examining data/r-cran-rcurl-1.98-1.2/inst/examples/post.c
Examining data/r-cran-rcurl-1.98-1.2/inst/examples/curl.c
Examining data/r-cran-rcurl-1.98-1.2/inst/enums/Renums.c
FINAL RESULTS:
data/r-cran-rcurl-1.98-1.2/src/base64.c:29:7: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(text, RAW(r_text), len);
data/r-cran-rcurl-1.98-1.2/src/base64.c:42:6: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(RAW(r_ans), ans, len);
data/r-cran-rcurl-1.98-1.2/src/base64.c:78:6: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(RAW(r_ans), ans, len);
data/r-cran-rcurl-1.98-1.2/src/curl.c:6:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char RCurlErrorBuffer[1000] = "<not set>";
data/r-cran-rcurl-1.98-1.2/src/curl.c:285:11: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
ans = fopen(filename, mode);
data/r-cran-rcurl-1.98-1.2/src/curl.c:310:5: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(ptr, buf->cur, numBytes);
data/r-cran-rcurl-1.98-1.2/src/curl.c:347:6: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(ptr, RAW(ans), len);
data/r-cran-rcurl-1.98-1.2/src/curl.c:353:6: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(ptr, str, len);
data/r-cran-rcurl-1.98-1.2/src/curl.c:931:3: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(RAW(r_ans), data->data, data->len * sizeof(unsigned char ));
data/r-cran-rcurl-1.98-1.2/src/curl.c:954:3: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(data->cursor, buffer, total);
data/r-cran-rcurl-1.98-1.2/src/curl.c:1007:4: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(tmp, buffer, size*nmemb);
data/r-cran-rcurl-1.98-1.2/src/curl.c:1130:4: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(buf, msg, len);
data/r-cran-rcurl-1.98-1.2/src/curl.c:1138:2: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(CHAR(str), msg, len);
data/r-cran-rcurl-1.98-1.2/src/curl_base64.c:100:12: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
unsigned char lastQuantum[3];
data/r-cran-rcurl-1.98-1.2/src/curl_base64.c:162:12: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
unsigned char ibuf[3];
data/r-cran-rcurl-1.98-1.2/src/curl_base64.c:163:12: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
unsigned char obuf[4];
data/r-cran-rcurl-1.98-1.2/src/enums.c:5:3: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char name[40];
data/r-cran-rcurl-1.98-1.2/src/json.c:133:7: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char unicode_buf[ 5 ]; /* to hold 4 digit hex (to prevent scanning a 5th digit accidentally */
data/r-cran-rcurl-1.98-1.2/src/myUTF8.c:52:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char currtext[1010], *ct = currtext;
data/r-cran-rcurl-1.98-1.2/src/myUTF8.c:53:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char st0[MAXELTSIZE];
data/r-cran-rcurl-1.98-1.2/src/myUTF8.c:238:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char str[6];
data/r-cran-rcurl-1.98-1.2/src/base64.c:64:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
n = strlen(text);
data/r-cran-rcurl-1.98-1.2/src/curl.c:352:12: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(str);
data/r-cran-rcurl-1.98-1.2/src/curl.c:458:32: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
CURLFORM_BUFFERLENGTH, strlen(buf),
data/r-cran-rcurl-1.98-1.2/src/curl.c:466:32: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
CURLFORM_BUFFERLENGTH, strlen(buf),
data/r-cran-rcurl-1.98-1.2/src/curl.c:504:29: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
CURLFORM_NAMELENGTH, strlen(CHAR(name)),
data/r-cran-rcurl-1.98-1.2/src/curl.c:723:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(buffer, CHAR(STRING_ELT(ans, 0)), buflen);
data/r-cran-rcurl-1.98-1.2/src/curl.c:991:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(tmp);
data/r-cran-rcurl-1.98-1.2/src/curl_base64.c:174:14: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
insize = strlen(indata);
data/r-cran-rcurl-1.98-1.2/src/curl_base64.c:226:10: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
return strlen(base64data); /* return the length of the new data */
data/r-cran-rcurl-1.98-1.2/src/json.c:134:7: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy( unicode_buf, s + i + 1, 5 );
data/r-cran-rcurl-1.98-1.2/src/json.c:173:16: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
num = 4 * strlen(CHAR(STRING_ELT(str, i)));
data/r-cran-rcurl-1.98-1.2/src/json.c:184:30: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
mapString(tmp, (int)strlen(tmp), buf,
ANALYSIS SUMMARY:
Hits = 33
Lines analyzed = 4033 in approximately 0.13 seconds (30783 lines/second)
Physical Source Lines of Code (SLOC) = 3073
Hits@level = [0] 192 [1] 12 [2] 21 [3] 0 [4] 0 [5] 0
Hits@level+ = [0+] 225 [1+] 33 [2+] 21 [3+] 0 [4+] 0 [5+] 0
Hits/KSLOC@level+ = [0+] 73.2184 [1+] 10.7387 [2+] 6.83371 [3+] 0 [4+] 0 [5+] 0
Dot directories skipped = 1 (--followdotdir overrides)
Minimum risk level = 1
Not every hit is necessarily a security vulnerability.
There may be other security vulnerabilities; review your code!
See 'Secure Programming HOWTO'
(https://dwheeler.com/secure-programs) for more information.