CVE-2019-7663

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-7663
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7663.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-7663
Downstream
Related
Published
2019-02-09T16:29:00Z
Modified
2025-10-21T05:10:14.995987Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

References

Affected packages

Git / gitlab.com/libtiff/libtiff

Affected ranges

Type
GIT
Repo
https://gitlab.com/libtiff/libtiff
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
802d3cbf3043be5dce5317e140ccb1c17a6a2d39

Affected versions

v3.*

v3.5.3
v3.5.4
v3.5.5
v3.5.7
v3.6.0
v3.6.0beta2
v3.6.1
v3.7.0
v3.7.0alpha
v3.7.0beta
v3.7.0beta2
v3.7.1
v3.7.2
v3.7.3
v3.7.4
v3.8.0
v3.8.1
v3.8.2

v4.*

v4.0.0
v4.0.0alpha
v4.0.0alpha4
v4.0.0alpha5
v4.0.0alpha6
v4.0.0beta7
v4.0.1
v4.0.10
v4.0.2
v4.0.3
v4.0.4
v4.0.4beta
v4.0.5
v4.0.6
v4.0.7
v4.0.8
v4.0.9

Database specific

vanir_signatures

[
    {
        "id": "CVE-2019-7663-286a357a",
        "source": "https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39",
        "digest": {
            "line_hashes": [
                "186767229891473563274791702224467613217",
                "19481069840066620359853707821813487969",
                "52036967966178718200882280771518880600",
                "205253912760579363233619821217339056782",
                "65357827389285656138329724700151139238",
                "316004082998730054425576374731708826911",
                "291094780492294955417275808369610628831",
                "88395608207003517829085251503399108020",
                "241257191188706293250932588388811400347"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "libtiff/tif_dirwrite.c"
        },
        "signature_type": "Line",
        "deprecated": false
    },
    {
        "id": "CVE-2019-7663-d9d4ebe4",
        "source": "https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39",
        "digest": {
            "length": 1388.0,
            "function_hash": "83226123827981840915355884833144387677"
        },
        "signature_version": "v1",
        "target": {
            "function": "TIFFWriteDirectoryTagTransferfunction",
            "file": "libtiff/tif_dirwrite.c"
        },
        "signature_type": "Function",
        "deprecated": false
    }
]