CVE-2017-9343 : In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a N

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-msnip.c by validating an IPv4 address.

Published 2017-06-02 05:29:00

Updated 2019-03-19 18:27:53

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2017-9343

Wireshark » Wireshark
Versions from including (>=) 2.2.0 and up to, including, (<=) 2.2.6
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions
Wireshark » Wireshark
Versions from including (>=) 2.0.0 and up to, including, (<=) 2.0.12
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-9343

EPSS FAQ

0.61%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 67 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-9343

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2017-9343

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-9343

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=27556320b41904716b9c9f73ef8f4fe705d1e669

code.wireshark Code Review - wireshark.git/commit
Issue Tracking;Patch;Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13725

13725 – [oss-fuzz] UBSAN: null pointer passed as argument 1, which is declared to never be null in packet-msnip.c:220:13
Issue Tracking;Patch;Vendor Advisory
http://www.securityfocus.com/bid/98797

Wireshark CVE-2017-9343 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
http://www.securitytracker.com/id/1038612

Wireshark Multiple Dissector Bugs Lets Remote Users Deny Service - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1678

1678 - wireshark: Null-dereference READ in dissect_msnip - oss-fuzz - Monorail
Issue Tracking;Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2017-30.html

Wireshark · wnpa-sec-2017-30 · MSNIP dissector crash
Vendor Advisory

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Vulnerability Details : CVE-2017-9343

Products affected by CVE-2017-9343

Exploit prediction scoring system (EPSS) score for CVE-2017-9343

CVSS scores for CVE-2017-9343

CWE ids for CVE-2017-9343

References for CVE-2017-9343