Input validation error in Wireshark
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2012-4293 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Wireshark Server applications / IDS/IPS systems, Firewalls and proxy servers |
| Vendor | Wireshark.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU33937
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2012-4293
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform service disruption.
plugins/ethercat/packet-ecatmb.c in the EtherCAT Mailbox dissector in Wireshark 1.4.x before 1.4.15, 1.6.x before 1.6.10, and 1.8.x before 1.8.2 does not properly handle certain integer fields, which allows remote attackers to cause a denial of service (application exit) via a malformed packet.
MitigationInstall update from vendor's website.
Vulnerable software versionsWireshark: 1.4.0 - 1.4.14
CPE2.3 External linkshttp://anonsvn.wireshark.org/viewvc/trunk/plugins/ethercat/packet-ecatmb.c?r1=43149&r2=43148&pathrev=43149
http://anonsvn.wireshark.org/viewvc?view=revision&revision=43149
http://lists.opensuse.org/opensuse-updates/2012-08/msg00033.html
http://secunia.com/advisories/50276
http://secunia.com/advisories/51363
http://secunia.com/advisories/54425
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://www.securityfocus.com/bid/55035
http://www.wireshark.org/security/wnpa-sec-2012-22.html
http://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark3
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7562
http://hermes.opensuse.org/messages/15514562
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15527
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
