Improper input validation in wireshark (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-17083
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		wireshark (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU9611

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-17083

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error in the NetBIOS dissector in epan/dissectors/packet-netbios.c when processing network packets. A remote attacker can send a specially crafted packet and crash the vulnerable application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.2.3-r0 - 2.2.10-r0

wireshark (Alpine package):

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=5d353e6b32567e841cad3fe4edad153b441e6e15
http://git.alpinelinux.org/aports/commit/?id=a6787bf3127b5313fe516520daac23ec6287a41d
http://git.alpinelinux.org/aports/commit/?id=cc155764f9b6db4e36800a96ce33182a294ed25b


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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