CVE-2017-6473 — wireshark: K12 file parser crash (wnpa-sec-2017-09)

Back Back to CVE browser

HIGH

wireshark: K12 file parser crash (wnpa-sec-2017-09)

Published Mar 4, 2017

7.5

HIGH

CVSS 3.0

EPSS 2.67%

Description

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Affected products

Red Hat Enterprise Linux 5

wireshark

Will not fix
Red Hat Enterprise Linux 6

wireshark

Will not fix
Red Hat Enterprise Linux 7

wireshark

Will not fix

Product	Package	State	Advisory
Red Hat Enterprise Linux 5	wireshark	Will not fix	n/a
Red Hat Enterprise Linux 6	wireshark	Will not fix	n/a
Red Hat Enterprise Linux 7	wireshark	Will not fix	n/a

Remediation

No remediation recorded yet.

Metrics

2.67% 0.02667

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02667

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (16 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.67% (0.02667)	85.21th	v5 (v2026.06.15)
Jun 15, 2026	2.67% (0.02667)	83.72th	v5 (v2026.06.15)
Nov 21, 2025	0.70% (0.00704)	71.33th	v4 (v2025.03.14)
Nov 18, 2025	2.36% (0.02362)	83.61th	v4 (v2025.03.14)
Jul 20, 2024	0.26% (0.00264)	66.43th	v3 (v2023.03.01)
May 3, 2024	0.26% (0.00264)	65.86th	v3 (v2023.03.01)
Nov 8, 2023	0.26% (0.00264)	63.77th	v3 (v2023.03.01)
Mar 7, 2023	0.18% (0.00184)	53.89th	v3 (v2023.03.01)
Mar 6, 2023	1.02% (0.01018)	40.69th	v2 (v2022.01.01)
Sep 10, 2022	1.02% (0.01018)	38.88th	v2 (v2022.01.01)
Apr 1, 2022	1.02% (0.01018)	36.86th	v2 (v2022.01.01)
Feb 4, 2022	1.02% (0.01018)	19.50th	v2 (v2022.01.01)
Feb 3, 2022	1.25% (0.01247)	30.57th	v1
Jan 6, 2022	1.25% (0.01247)	29.93th	v1
Sep 1, 2021	1.25% (0.01247)	68.62th	v1
Apr 14, 2021	1.25% (0.01247)	0.00th	v1

Weaknesses (1)

CWE-20

Improper Input Validation

References (9)

http://www.debian.org/security/2017/dsa-3811
vendor-advisoryx_refsource_DEBIANThird Party Advisory
http://www.securityfocus.com/bid/96565
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/CVE-2017-6473
Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13431
x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1429586
Issue Tracking
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=7edc761a01cda8e1b37677f673985582330317d2
x_refsource_CONFIRM
https://nvd.nist.gov/vuln/detail/CVE-2017-6473
https://www.cve.org/CVERecord?id=CVE-2017-6473
https://www.wireshark.org/security/wnpa-sec-2017-09.html
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www.debian.org/security/2017/dsa-3811		vendor-advisoryx_refsource_DEBIANThird Party Advisory
http://www.securityfocus.com/bid/96565		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/CVE-2017-6473		Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13431		x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1429586		Issue Tracking
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=7edc761a01cda8e1b37677f673985582330317d2		x_refsource_CONFIRM
https://nvd.nist.gov/vuln/detail/CVE-2017-6473
https://www.cve.org/CVERecord?id=CVE-2017-6473
https://www.wireshark.org/security/wnpa-sec-2017-09.html		x_refsource_CONFIRMVendor Advisory