Input validation error in wireshark (Alpine package)

1) Input validation error

EUVDB-ID: #VU33686

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-2013-3556

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The fragment_add_seq_common function in epan/reassemble.c in the ASN.1 BER dissector in Wireshark before r48943 has an incorrect pointer dereference during a comparison, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 1.6.3-r0 - 1.6.14-r0

CPE2.3

• cpe:2.3:a:alpine:wireshark_alpine_package:1.6.3-r0:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:a:alpine:wireshark_alpine_package:1.6.5-r0:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:a:alpine:wireshark_alpine_package:1.6.6-r0:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=c624044ab2ea8c94b1c097ee5f6b40882beb0876
https://git.alpinelinux.org/aports/commit/?id=43633e589d8ef5a4f3b4aeb7117fac6620f8b7f4
https://git.alpinelinux.org/aports/commit/?id=e0bbe7644dc4e52485a5d9b1c1f8c559e2aaead4
https://git.alpinelinux.org/aports/commit/?id=f1a3e9fc5c70002d71a050eeeb78653c1261bc42

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.