diff options
Diffstat (limited to 'src/libstrongswan/plugins/gmp')
| -rw-r--r-- | src/libstrongswan/plugins/gmp/Makefile.in | 2 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/gmp/gmp_rsa_public_key.c | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/libstrongswan/plugins/gmp/Makefile.in b/src/libstrongswan/plugins/gmp/Makefile.in index de8f8fe7a..2fcdce774 100644 --- a/src/libstrongswan/plugins/gmp/Makefile.in +++ b/src/libstrongswan/plugins/gmp/Makefile.in @@ -356,6 +356,7 @@ docdir = @docdir@ dvidir = @dvidir@ exec_prefix = @exec_prefix@ fips_mode = @fips_mode@ +fuzz_plugins = @fuzz_plugins@ gtk_CFLAGS = @gtk_CFLAGS@ gtk_LIBS = @gtk_LIBS@ host = @host@ @@ -378,6 +379,7 @@ json_CFLAGS = @json_CFLAGS@ json_LIBS = @json_LIBS@ libdir = @libdir@ libexecdir = @libexecdir@ +libfuzzer = @libfuzzer@ libiptc_CFLAGS = @libiptc_CFLAGS@ libiptc_LIBS = @libiptc_LIBS@ linux_headers = @linux_headers@ diff --git a/src/libstrongswan/plugins/gmp/gmp_rsa_public_key.c b/src/libstrongswan/plugins/gmp/gmp_rsa_public_key.c index 2b2c7f249..32a72ac96 100644 --- a/src/libstrongswan/plugins/gmp/gmp_rsa_public_key.c +++ b/src/libstrongswan/plugins/gmp/gmp_rsa_public_key.c @@ -475,7 +475,7 @@ gmp_rsa_public_key_t *gmp_rsa_public_key_load(key_type_t type, va_list args) } break; } - if (!e.ptr || !n.ptr) + if (!e.len || !n.len || (n.ptr[n.len-1] & 0x01) == 0) { return NULL; } @@ -506,5 +506,10 @@ gmp_rsa_public_key_t *gmp_rsa_public_key_load(key_type_t type, va_list args) this->k = (mpz_sizeinbase(this->n, 2) + 7) / BITS_PER_BYTE; + if (!mpz_sgn(this->e)) + { + destroy(this); + return NULL; + } return &this->public; } |