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🚑 fix for #411 and #412

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This commit is contained in:
Niels Lohmann
2017-01-01 15:28:01 +01:00
parent d7029c37aa
commit cf9bf2d913
3 changed files with 61 additions and 14 deletions
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53
test/src/unit-regression.cpp
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@ -610,4 +610,57 @@ TEST_CASE("regression tests")
CHECK_THROWS_AS(json::from_cbor(vec2), std::out_of_range);
CHECK_THROWS_AS(json::from_msgpack(vec2), std::out_of_range);
}
SECTION("issue #411 - Heap-buffer-overflow (OSS-Fuzz issue 366)")
{
// original test case: empty UTF-8 string (indefinite length)
std::vector<uint8_t> vec1 {0x7f};
CHECK_THROWS_AS(json::from_cbor(vec1), std::out_of_range);
// related test case: empty array (indefinite length)
std::vector<uint8_t> vec2 {0x9f};
CHECK_THROWS_AS(json::from_cbor(vec2), std::out_of_range);
// related test case: empty map (indefinite length)
std::vector<uint8_t> vec3 {0xbf};
CHECK_THROWS_AS(json::from_cbor(vec3), std::out_of_range);
}
SECTION("issue #412 - Heap-buffer-overflow (OSS-Fuzz issue 367)")
{
// original test case
std::vector<uint8_t> vec
{
0xab, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
0x98, 0x98, 0x98, 0x98, 0x98, 0x00, 0x00, 0x00,
0x60, 0xab, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
0x98, 0x98, 0x98, 0x98, 0x98, 0x00, 0x00, 0x00,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0xa0, 0x9f,
0x9f, 0x97, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60
};
CHECK_THROWS_AS(json::from_cbor(vec), std::out_of_range);
// related test case: nonempty UTF-8 string (indefinite length)
std::vector<uint8_t> vec1 {0x7f, 0x61, 0x61};
CHECK_THROWS_AS(json::from_cbor(vec1), std::out_of_range);
// related test case: nonempty array (indefinite length)
std::vector<uint8_t> vec2 {0x9f, 0x01};
CHECK_THROWS_AS(json::from_cbor(vec2), std::out_of_range);
// related test case: nonempty map (indefinite length)
std::vector<uint8_t> vec3 {0xbf, 0x61, 0x61, 0x01};
CHECK_THROWS_AS(json::from_cbor(vec3), std::out_of_range);
}
}