Memory corruption in wireshark (Alpine package)

1) Memory corruption

EUVDB-ID: #VU14578

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-16057

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to boundary error in the ieee80211_radiotap_iterator_next() function, as defined in the epan/dissectors/packet-ieee80211-radiotap-iter.c source code file. A remote attacker can inject a malformed packet into a network, to be processed by the affected application, or trick the victim into opening a malicious packet trace file and cause the Radiotap dissector component to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.2.3-r0 - 2.6.2-r0

wireshark (Alpine package):

CPE2.3

• cpe:2.3:o:alpine:wireshark_alpine_package:2.4.7-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:wireshark_alpine_package:2.6.2-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:wireshark_alpine_package:2.4.3-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:wireshark_alpine_package::*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=c0c7198ccd06ca0b2cf7244b0be786c36fb405c2
http://git.alpinelinux.org/aports/commit/?id=e9155647732297c2d4e384b3c1c9cca257f2416a
http://git.alpinelinux.org/aports/commit/?id=f12f5f95624bae2596edc0fc0ce7015657cd1602

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. However, proof of concept for this vulnerability is available.