Infinite loop in wireshark (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-11406
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 wireshark (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU33525

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-11406

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

In Wireshark 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13, the DOCSIS dissector could go into an infinite loop. This was addressed in plugins/docsis/packet-docsis.c by rejecting invalid Frame Control parameter values.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.0.13-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=2a0bb1bc0f4b5fe959ffb880e4fc6c9813646d92
https://git.alpinelinux.org/aports/commit/?id=49f1447e7072d7cd1ffe2264b4957c9329c197c8
https://git.alpinelinux.org/aports/commit/?id=503430618f9e1c945ea229eeadfff168ecc16a59
https://git.alpinelinux.org/aports/commit/?id=9efd6940e9003328ec81bdb39bef7f46745e96dd


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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