Wireshark up to 2.4.2 IWARP_MPA Dissector packet-iwarp-mpa.c unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Wireshark up to 2.4.2 (Packet Analyzer Software). It has been classified as problematic. Affected is an unknown part of the file epan/dissectors/packet-iwarp-mpa.c of the component IWARP_MPA Dissector. The manipulation with an unknown input leads to a unusual condition vulnerability. CWE is classifying the issue as CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. This is going to have an impact on availability. CVE summarizes:

In Wireshark 2.4.0 to 2.4.2 and 2.2.0 to 2.2.10, the IWARP_MPA dissector could crash. This was addressed in epan/dissectors/packet-iwarp-mpa.c by validating a ULPDU length.

The bug was discovered 11/30/2017. The weakness was presented 12/01/2017 as Bug 14236 as confirmed bug report (Bugzilla). The advisory is shared for download at bugs.wireshark.org. This vulnerability is traded as CVE-2017-17084 since 12/01/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105121 (Debian DSA-4060-1 : wireshark - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170588 (OpenSUSE Security Update for wireshark (openSUSE-SU-2017:3202-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (105121). See 110147 and 110149 for similar entries.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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NVD Base Score: 7.5
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Class: Unusual condition
CWE: CWE-754
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 105121
Nessus Name: Debian DSA-4060-1 : wireshark - security update
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OpenVAS ID: 880359
OpenVAS Name: Wireshark Security Updates (wnpa-sec-2017-49_wnpa-sec-2017-47)-MACOSX
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Threat Intelligenceinfo

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Recommended: Upgrade
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Patch: 8502fe94ef9e431860921507e1a351c5e3f5c634


11/30/2017 🔍
11/30/2017 +0 days 🔍
12/01/2017 +1 days 🔍
12/01/2017 +0 days 🔍
12/01/2017 +0 days 🔍
12/02/2017 +1 days 🔍
12/09/2017 +7 days 🔍
12/11/2017 +2 days 🔍
01/16/2023 +1862 days 🔍


Product: wireshark.org

Advisory: Bug 14236
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-17084 (🔍)

SecurityFocus: 102030 - Wireshark 'epan/dissectors/packet-iwarp-mpa.c' Denial of Service Vulnerability

See also: 🔍


Created: 12/02/2017 10:00 AM
Updated: 01/16/2023 03:27 PM
Changes: 12/02/2017 10:00 AM (78), 12/11/2019 08:02 PM (6), 01/16/2023 03:27 PM (5)
Complete: 🔍


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