CVE-2019-19204

An issue was discovered in Oniguruma 6.x before 6.9.4rc2. In the function fetchintervalquantifier (formerly known as fetchrange_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.

References

Affected packages

Git / github.com/kkos/oniguruma

Affected ranges

Type: GIT
Repo: https://github.com/kkos/oniguruma
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

681824e81bb5fc9bbd4dfbe7a07135337129537e

Affected versions

v5.*

v5.9.6

v6.*

v6.0.0

v6.1.0

v6.1.1

v6.1.2

v6.1.3

v6.2.0

v6.3.0

v6.4.0

v6.5.0

v6.6.0

v6.6.1

v6.7.0

v6.7.1

v6.8.0

v6.8.1

v6.8.2

v6.9.0

v6.9.1

v6.9.2

v6.9.2_rc1

v6.9.2_rc2

v6.9.2_rc3

v6.9.3

v6.9.4_rc1

Database specific

vanir_signatures

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        "id": "CVE-2019-19204-563c27e4",
        "source": "https://github.com/kkos/oniguruma/commit/681824e81bb5fc9bbd4dfbe7a07135337129537e",
        "signature_version": "v1",
        "target": {
            "file": "harnesses/encode-harness.c"
        },
        "deprecated": false,
        "digest": {
            "line_hashes": [
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            "threshold": 0.9
        },
        "signature_type": "Line"
    },
    {
        "id": "CVE-2019-19204-718d8559",
        "source": "https://github.com/kkos/oniguruma/commit/681824e81bb5fc9bbd4dfbe7a07135337129537e",
        "signature_version": "v1",
        "target": {
            "file": "harnesses/encode-harness.c",
            "function": "LLVMFuzzerTestOneInput"
        },
        "deprecated": false,
        "digest": {
            "length": 2816.0,
            "function_hash": "267334844810435515714121622196231420596"
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        "signature_type": "Function"
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]