CVE-2018-18584

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Source
https://cve.org/CVERecord?id=CVE-2018-18584
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18584.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-18584
Downstream
Related
Published
2018-10-23T02:29:00.263Z
Modified
2026-03-10T14:35:52.035164Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.

References

Affected packages

Git / github.com/kyz/libmspack

Affected ranges

Type
GIT
Repo
https://github.com/kyz/libmspack
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b86d62ca5a90f971750e2af9cea60536cde044a7
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a22627dd5180e0ce9c558d0c10b174c760085f57
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
164fb2d23a0894b726b72a047d34191d64a18104
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
03296dd44347ab3111ba23b8e3945e2b537b6275
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a2b36d2f477a183c046b66c731936fa56eba53b4
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
bc1010b120a987de3da053ba61870fcbecfbd112
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
846db1c3419eca65f8d09b5452063870a65ed9f0
Fixed
40ef1b4093d77ad3a5cfcee1f5cb6108b3a3bcc2
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.8"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.3-alpha"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.4-alpha"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.5-alpha"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.6-alpha"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.7-alpha"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.7.1-alpha"
        }
    ]
}

Affected versions

1.*
1.7
v0.*
v0.0.20060920alpha
v0.3alpha
v0.4alpha
v0.5alpha
v0.6alpha
v0.7.1alpha
v0.7alpha
v0.8alpha
v1.*
v1.0
v1.1
v1.2
v1.3
v1.4
v1.5

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11-sp3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12-ga"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12-sp1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12-sp2"
            }
        ]
    }
]
vanir_signatures 
[
    {
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2018-18584-3cecbcbb",
        "target": {
            "file": "libmspack/mspack/cab.h"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "158240116603677036819695488739621403627",
                "269271669553547603752875556704960232567",
                "37544086892789893982291370903966203759",
                "169871899111443360361982281484202037437",
                "257408676381020978427987901723890493853",
                "293194494984887529254768129453583513323",
                "143245517895524289051156808528142211988",
                "161511177930475588070979568568117240902"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/kyz/libmspack/commit/40ef1b4093d77ad3a5cfcee1f5cb6108b3a3bcc2"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18584.json"