Vulnerability identifier: #VU41944
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:
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 a remote non-authenticated attacker to perform service disruption.
The nfs_name_snoop_add_name function in epan/dissectors/packet-nfs.c in the NFS dissector in Wireshark 1.8.x before 1.8.13 and 1.10.x before 1.10.6 does not validate a certain length value, which allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted NFS packet.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Wireshark: 1.8.0 - 1.8.12, 1.10.0 - 1.10.5
External links
https://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-nfs.c?r1=54875&r2=54874&pathrev=54875
https://anonsvn.wireshark.org/viewvc?view=revision&revision=54875
https://lists.opensuse.org/opensuse-updates/2014-03/msg00046.html
https://lists.opensuse.org/opensuse-updates/2014-03/msg00047.html
https://rhn.redhat.com/errata/RHSA-2014-0341.html
https://rhn.redhat.com/errata/RHSA-2014-0342.html
https://secunia.com/advisories/57480
https://secunia.com/advisories/57489
https://www.debian.org/security/2014/dsa-2871
https://www.securitytracker.com/id/1029907
https://www.wireshark.org/security/wnpa-sec-2014-01.html
https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark10
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9672
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.