Input validation error in Wireshark
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2013-4929 |
| CWE-ID | CWE-20 |
| Exploitation vector | 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 medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU33876
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2013-4929
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The parseFields function in epan/dissectors/packet-dis-pdus.c in the DIS dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not terminate packet-data processing after finding zero remaining bytes, which allows remote attackers to cause a denial of service (loop) via a crafted packet.
MitigationInstall update from vendor's website.
Vulnerable software versionsWireshark: 1.8.0 - 1.8.8
CPE2.3 External linkshttp://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-dis-pdus.c?r1=50450&r2=50449&pathrev=50450
http://anonsvn.wireshark.org/viewvc?view=revision&revision=50450
http://lists.opensuse.org/opensuse-updates/2013-08/msg00004.html
http://lists.opensuse.org/opensuse-updates/2013-08/msg00009.html
http://secunia.com/advisories/54296
http://secunia.com/advisories/54371
http://secunia.com/advisories/54425
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://www.wireshark.org/docs/relnotes/wireshark-1.10.1.html
http://www.wireshark.org/docs/relnotes/wireshark-1.8.9.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8911
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17028
http://www.wireshark.org/security/wnpa-sec-2013-47.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
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.
