Buffer over-read in wireshark (Alpine package)

1) Buffer over-read

EUVDB-ID: #VU8075

Risk: Low

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:Clear]

CVE-ID: CVE-2017-13765

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

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

The weakness exists due to buffer over-read in the IrCOMM dissector. A remote attacker can inject a malformed packet onto the wire, trigger Wireshark to consume excessive CPU resources and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.0.4-r0 - 2.0.14-r0

CPE2.3

• cpe:2.3:a:alpine:wireshark_alpine_package:2.0.4-r0:*:*:*:*:alpine_linux:*:3.2
• cpe:2.3:a:alpine:wireshark_alpine_package:2.0.5-r0:*:*:*:*:alpine_linux:*:3.2
• cpe:2.3:a:alpine:wireshark_alpine_package:2.0.6-r0:*:*:*:*:alpine_linux:*:3.2

External links

https://git.alpinelinux.org/aports/commit/?id=172c0bd3e6c3e2b6dab46dae04008d430f0d44a5
https://git.alpinelinux.org/aports/commit/?id=e01525f73e0d680e446b5cd1850220629d310c02
https://git.alpinelinux.org/aports/commit/?id=7b82312acce4259459d23ed5cdf2d83b7187aab6
https://git.alpinelinux.org/aports/commit/?id=2bb9ce2b3f960a3b8bfd71bda6a5998bdfa56f6c

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.