CVE-2017-12998

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Source
https://nvd.nist.gov/vuln/detail/CVE-2017-12998
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-12998.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-12998
Downstream
Related
Published
2017-09-14T06:29:01Z
Modified
2025-09-16T06:39:29.738698Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c:isisprintextdipreach().

References

Affected packages

Debian:11 / tcpdump

Package

Name
tcpdump
Purl
pkg:deb/debian/tcpdump?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / tcpdump

Package

Name
tcpdump
Purl
pkg:deb/debian/tcpdump?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / tcpdump

Package

Name
tcpdump
Purl
pkg:deb/debian/tcpdump?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / tcpdump

Package

Name
tcpdump
Purl
pkg:deb/debian/tcpdump?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/the-tcpdump-group/tcpdump

Affected ranges

Type
GIT
Repo
https://github.com/the-tcpdump-group/tcpdump
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
979dcefd7b259e9e233f77fe1c5312793bfd948f

Affected versions

tcpdump-3.*

tcpdump-3.5.1
tcpdump-3.6.1
tcpdump-3.7.1
tcpdump-3.8-bp

tcpdump-4.*

tcpdump-4.5.0
tcpdump-4.6.0
tcpdump-4.6.0-bp
tcpdump-4.7.0-bp
tcpdump-4.9.0-bp

Database specific 

{
    "vanir_signatures": [
        {
            "signature_type": "Function",
            "digest": {
                "length": 2097.0,
                "function_hash": "4700251838482651931333855815825044859"
            },
            "signature_version": "v1",
            "id": "CVE-2017-12998-3029c6d8",
            "source": "https://github.com/the-tcpdump-group/tcpdump/commit/979dcefd7b259e9e233f77fe1c5312793bfd948f",
            "target": {
                "function": "isis_print_extd_ip_reach",
                "file": "print-isoclns.c"
            },
            "deprecated": false
        },
        {
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "316813098404573189331629809169371758446",
                    "35480589520905794696450125076201941446",
                    "64094114878927935827241812548677571668",
                    "129605050368975718814600418391387225143"
                ],
                "threshold": 0.9
            },
            "signature_version": "v1",
            "id": "CVE-2017-12998-52adde6e",
            "source": "https://github.com/the-tcpdump-group/tcpdump/commit/979dcefd7b259e9e233f77fe1c5312793bfd948f",
            "target": {
                "file": "print-isoclns.c"
            },
            "deprecated": false
        }
    ]
}