#VU40956 Input validation error in Wireshark - CVE-2015-0562

Vulnerability identifier: #VU40956

Vulnerability 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-2015-0562

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Wireshark.org

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (application crash) via a crafted packet, related to the use of packet-scope memory instead of pinfo-scope memory.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.10.0 - 1.10.11, 1.12.0 - 1.12.2

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External links
https://advisories.mageia.org/MGASA-2015-0019.html
https://lists.opensuse.org/opensuse-updates/2015-01/msg00053.html
https://rhn.redhat.com/errata/RHSA-2015-1460.html
https://secunia.com/advisories/62612
https://secunia.com/advisories/62673
https://www.debian.org/security/2015/dsa-3141
https://www.mandriva.com/security/advisories?name=MDVSA-2015:022
https://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://www.securityfocus.com/bid/71921
https://www.wireshark.org/security/wnpa-sec-2015-03.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10724
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=a559f2a050947f793c00159c0cd4d30f403f217c

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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.