Input validation error in wireshark (Alpine package)

1) Input validation error

EUVDB-ID: #VU24328

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-7045

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 insufficient validation of user-supplied input within the BT ATT dissector. A remote attacker can send specially crafted data and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 3.0.1-r0 - 3.0.7-r3

CPE2.3

• cpe:2.3:a:alpine:wireshark_alpine_package:3.0.1-r0:*:*:*:*:alpine_linux:*:3.9
• cpe:2.3:a:alpine:wireshark_alpine_package:3.0.2-r0:*:*:*:*:alpine_linux:*:3.9
• cpe:2.3:a:alpine:wireshark_alpine_package:3.0.3-r0:*:*:*:*:alpine_linux:*:3.9

External links

https://git.alpinelinux.org/aports/commit/?id=7dda53dda2a2bc455236263e82c522fde5230cc7
https://git.alpinelinux.org/aports/commit/?id=a7f3aa5e0ad93d7a3f9f44a7c305f06fd8f287bc
https://git.alpinelinux.org/aports/commit/?id=b834bd1f6e230d01c69ccd2454c0930754818d2e
https://git.alpinelinux.org/aports/commit/?id=033e23316cfe3ab0fb844b1dfce8168a9f5f0ce6

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.