Wireshark up to 2.0.11/2.2.5 Netscaler File Parser wiretap/netscaler.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Wireshark up to 2.0.11/2.2.5 (Packet Analyzer Software). It has been rated as problematic. Affected by this issue is an unknown part of the file wiretap/netscaler.c of the component Netscaler File Parser. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the NetScaler file parser could go into an infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by ensuring a nonzero record size.

The bug was discovered 04/12/2017. The weakness was released 04/12/2017 as Bug 13478 as confirmed bug report (Bugzilla). The advisory is available at bugs.wireshark.org. This vulnerability is handled as CVE-2017-7700 since 04/11/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 99436 (Wireshark 2.0.x < 2.0.12 / 2.2.x < 2.2.6 Multiple DoS (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176728 (Debian Security Update for wireshark (DLA 1634-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (99436).






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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NVD Base Score: 6.5
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Class: Resource management
CWE: CWE-399 / CWE-404

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 99436
Nessus Name: Wireshark 2.0.x < 2.0.12 / 2.2.x < 2.2.6 Multiple DoS (macOS)
Nessus File: 🔍
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OpenVAS ID: 802978
OpenVAS Name: Wireshark Multiple DoS Vulnerabilities-02 Apr17 (Windows)
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Threat Intelligenceinfo

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Recommended: Upgrade
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Patch: 8fc0af859de4993951a915ad735be350221f3f53


04/11/2017 🔍
04/12/2017 +1 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/13/2017 +1 days 🔍
04/18/2017 +5 days 🔍
11/29/2022 +2051 days 🔍


Product: wireshark.org

Advisory: Bug 13478
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7700 (🔍)

SecurityTracker: 1038262
SecurityFocus: 97631 - Wireshark NetScaler File Parser 'wiretap/netscaler.c' Infinite Loop Denial of Service Vulnerability


Created: 04/13/2017 12:09 PM
Updated: 11/29/2022 08:27 AM
Changes: 04/13/2017 12:09 PM (75), 10/15/2019 09:24 AM (6), 11/29/2022 08:27 AM (6)
Complete: 🔍
Cache ID: 44:187:40


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