Wireshark up to 3.0.1 Dissection Engine epan/packet.c Packet code injection

Summaryinfo

A vulnerability classified as problematic has been found in Wireshark. This affects an unknown function of the file epan/packet.c of the component Dissection Engine. The manipulation as part of Packet leads to code injection. This vulnerability is uniquely identified as CVE-2019-12295. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Wireshark (Packet Analyzer Software). This issue affects some unknown processing of the file epan/packet.c of the component Dissection Engine. The manipulation as part of a Packet leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is availability. The summary by CVE is:

In Wireshark 3.0.0 to 3.0.1, 2.6.0 to 2.6.8, and 2.4.0 to 2.4.14, the dissection engine could crash. This was addressed in epan/packet.c by restricting the number of layers and consequently limiting recursion.

The weakness was disclosed 05/23/2019 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2019-12295 since 05/23/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371804 (Wireshark dissection engine crash Vulnerability(wnpa-sec-2019-19)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Packet Analyzer Software

Name

• Wireshark

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.4.12
• 2.4.13
• 2.4.14
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 2.6.8
• 3.0.0
• 3.0.1

License

• open-source

Website

• Product: https://www.wireshark.org/

CPE 2.3info

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CPE 2.2info

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