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petrisorcoderabbit
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ESS-ENN:insecure-hash-c/cpp
Oct 21, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| id: insecure-hash-c | ||
| language: c | ||
| severity: warning | ||
| message: >- | ||
| This hashing algorithm is insecure. If this hash is used in a security | ||
| context, such as password hashing, it should be converted to a stronger | ||
| hashing algorithm. | ||
| note: >- | ||
| [CWE-328] Use of Weak Hash. | ||
| [REFERENCES] | ||
| - https://owasp.org/Top10/A02_2021-Cryptographic_Failures | ||
| utils: | ||
| MATCH_PATTERN_ONE: | ||
| kind: expression_statement | ||
| has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: ^(EVP_md2|MD2|MD2_Final|MD2_Init|MD2_Update|MD2_options|EVP_md4|MD4|MD4_Final|MD4_Init|MD4_Transform|MD4_Update|EVP_md5|MD5|MD5_Final|MD5_Init|MD5_Transform|MD5_Update|EVP_sha1|SHA1_Final|SHA1_Init|SHA1_Transform|SHA1_Update)$ | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
|
|
||
| MATCH_PATTERN_TWO: | ||
| kind: expression_statement | ||
| has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: "^(EVP_MD_fetch|EVP_get_digestbyname)$" | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
| has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: ^(MD2|MD4|MD5|SHA1|SHA-1)$ | ||
|
|
||
| MATCH_PATTERN_TWO_with_instance: | ||
| kind: expression_statement | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: "^(EVP_MD_fetch|EVP_get_digestbyname)$" | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
| has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| pattern: $Q | ||
| - follows: | ||
| stopBy: end | ||
| kind: declaration | ||
| has: | ||
| stopBy: end | ||
| kind: init_declarator | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: pointer_declarator | ||
| has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| pattern: $Q | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: string_literal | ||
| has: | ||
| stopBy: neighbor | ||
| kind: string_content | ||
| regex: ^(MD2|MD4|MD5|SHA1|SHA-1)$ | ||
|
|
||
| MATCH_PATTERN_THREE: | ||
| kind: expression_statement | ||
| has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: "^(gcry_md_open|gcry_md_enable|gcry_md_read|gcry_md_extract|gcry_md_hash_buffers|gcry_md_hash_buffer)$" | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
| has: | ||
| stopBy: end | ||
| kind: identifier | ||
| regex: ^(GCRY_MD_MD2|GCRY_MD_MD4|GCRY_MD_MD5|GCRY_MD_SHA1)$ | ||
| rule: | ||
| any: | ||
| - kind: expression_statement | ||
| any: | ||
| - matches: MATCH_PATTERN_ONE | ||
| - matches: MATCH_PATTERN_TWO | ||
| - matches: MATCH_PATTERN_TWO_with_instance | ||
| - matches: MATCH_PATTERN_THREE |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| id: insecure-hash-cpp | ||
| language: cpp | ||
| severity: warning | ||
| message: >- | ||
| This hashing algorithm is insecure. If this hash is used in a security | ||
| context, such as password hashing, it should be converted to a stronger | ||
| hashing algorithm. | ||
| note: >- | ||
| [CWE-328] Use of Weak Hash. | ||
| [REFERENCES] | ||
| - https://owasp.org/Top10/A02_2021-Cryptographic_Failures | ||
| utils: | ||
| MATCH_PATTERN_ONE: | ||
| kind: expression_statement | ||
| has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: ^(EVP_md2|MD2|MD2_Final|MD2_Init|MD2_Update|MD2_options|EVP_md4|MD4|MD4_Final|MD4_Init|MD4_Transform|MD4_Update|EVP_md5|MD5|MD5_Final|MD5_Init|MD5_Transform|MD5_Update|EVP_sha1|SHA1_Final|SHA1_Init|SHA1_Transform|SHA1_Update)$ | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
|
|
||
| MATCH_PATTERN_TWO: | ||
| kind: expression_statement | ||
| has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: "^(EVP_MD_fetch|EVP_get_digestbyname)$" | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
| has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: ^(MD2|MD4|MD5|SHA1|SHA-1)$ | ||
|
|
||
| MATCH_PATTERN_TWO_with_instance: | ||
| kind: expression_statement | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: "^(EVP_MD_fetch|EVP_get_digestbyname)$" | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
| has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| pattern: $Q | ||
| - follows: | ||
| stopBy: end | ||
| kind: declaration | ||
| has: | ||
| stopBy: end | ||
| kind: init_declarator | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: pointer_declarator | ||
| has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| pattern: $Q | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: string_literal | ||
| has: | ||
| stopBy: neighbor | ||
| kind: string_content | ||
| regex: ^(MD2|MD4|MD5|SHA1|SHA-1)$ | ||
|
|
||
| MATCH_PATTERN_THREE: | ||
| kind: expression_statement | ||
| has: | ||
| stopBy: neighbor | ||
| kind: call_expression | ||
| all: | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: identifier | ||
| regex: "^(gcry_md_open|gcry_md_enable|gcry_md_read|gcry_md_extract|gcry_md_hash_buffers|gcry_md_hash_buffer)$" | ||
| - has: | ||
| stopBy: neighbor | ||
| kind: argument_list | ||
| has: | ||
| stopBy: end | ||
| kind: identifier | ||
| regex: ^(GCRY_MD_MD2|GCRY_MD_MD4|GCRY_MD_MD5|GCRY_MD_SHA1)$ | ||
| rule: | ||
| any: | ||
| - kind: expression_statement | ||
| any: | ||
| - matches: MATCH_PATTERN_ONE | ||
| - matches: MATCH_PATTERN_TWO | ||
| - matches: MATCH_PATTERN_TWO_with_instance | ||
| - matches: MATCH_PATTERN_THREE | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| id: insecure-hash-c | ||
| snapshots: | ||
| ? | | ||
| MD2_Init(); | ||
| SHA1_Init(); | ||
| const char *md4 = "MD4"; | ||
| EVP_MD_fetch(NULL, md4, NULL); | ||
| EVP_get_digestbyname(md4); | ||
| const char *sha1 = "SHA1"; | ||
| EVP_MD_fetch(NULL, sha1, NULL); | ||
| EVP_get_digestbyname(sha1); | ||
| : labels: | ||
| - source: MD2_Init(); | ||
| style: primary | ||
| start: 0 | ||
| end: 11 | ||
| - source: MD2_Init | ||
| style: secondary | ||
| start: 0 | ||
| end: 8 | ||
| - source: () | ||
| style: secondary | ||
| start: 8 | ||
| end: 10 | ||
| - source: MD2_Init() | ||
| style: secondary | ||
| start: 0 | ||
| end: 10 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| id: insecure-hash-cpp | ||
| snapshots: | ||
| ? | | ||
| MD2_Init(); | ||
| SHA1_Init(); | ||
| const char *md4 = "MD4"; | ||
| EVP_MD_fetch(NULL, md4, NULL); | ||
| EVP_get_digestbyname(md4); | ||
| const char *sha1 = "SHA1"; | ||
| EVP_MD_fetch(NULL, sha1, NULL); | ||
| EVP_get_digestbyname(sha1); | ||
| : labels: | ||
| - source: MD2_Init(); | ||
| style: primary | ||
| start: 0 | ||
| end: 11 | ||
| - source: MD2_Init | ||
| style: secondary | ||
| start: 0 | ||
| end: 8 | ||
| - source: () | ||
| style: secondary | ||
| start: 8 | ||
| end: 10 | ||
| - source: MD2_Init() | ||
| style: secondary | ||
| start: 0 | ||
| end: 10 | ||
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||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| id: insecure-hash-c | ||
| valid: | ||
| - | | ||
| MD5Final(digest,ctx); | ||
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|
||
| invalid: | ||
| - | | ||
| MD2_Init(); | ||
| SHA1_Init(); | ||
| const char *md4 = "MD4"; | ||
| EVP_MD_fetch(NULL, md4, NULL); | ||
| EVP_get_digestbyname(md4); | ||
| const char *sha1 = "SHA1"; | ||
| EVP_MD_fetch(NULL, sha1, NULL); | ||
| EVP_get_digestbyname(sha1); | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| id: insecure-hash-cpp | ||
| valid: | ||
| - | | ||
| MD5Final(digest,ctx); | ||
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|
||
| invalid: | ||
| - | | ||
| MD2_Init(); | ||
| SHA1_Init(); | ||
| const char *md4 = "MD4"; | ||
| EVP_MD_fetch(NULL, md4, NULL); | ||
| EVP_get_digestbyname(md4); | ||
| const char *sha1 = "SHA1"; | ||
| EVP_MD_fetch(NULL, sha1, NULL); | ||
| EVP_get_digestbyname(sha1); | ||
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