Uncontrolled recursion in wireshark (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-9262
CWE-ID CWE-674
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 medium risk vulnerability.

1) Uncontrolled recursion

EUVDB-ID: #VU12718

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-9262

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in epan/dissectors/packet-vlan.c due to limiting VLAN tag nesting to restrict the recursion depth. A remote attacker can trick the victim into opening a specially crafted packet trace file and cause the VLAN dissector to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.2.3-r0 - 2.4.5-r0

wireshark (Alpine package):

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=3296b080a93bebe2fa5a42ed0bda9351f68b3f30
http://git.alpinelinux.org/aports/commit/?id=82f356f8c4189cfb0802954a2e20f09baf6a49a0
http://git.alpinelinux.org/aports/commit/?id=ec81538d245e98a04f14f8f9c4dc6cad899c18d3


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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