Vulnerability Name:

CVE-2016-4420 (CCN-111104)

Assigned:2016-02-26
Published:2016-02-26
Updated:2016-05-04
Summary:The NFS dissector in Wireshark 2.x before 2.0.2 allows remote attackers to cause a denial of service (application crash) via a crafted packet.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-4420

Source: XF
Type: UNKNOWN
wireshark-nfsdissector-packet-dos(111104)

Source: CCN
Type: Wireshark advisory wnpa-sec-2016-17
NFS dissector crash

Source: CONFIRM
Type: Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2016-17.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201644200000000
    V
    		CVE-2016-4420 on Ubuntu 16.04 LTS (xenial) - low.
    2016-05-01
    oval:com.ubuntu.precise:def:20164420000
    V
    		CVE-2016-4420 on Ubuntu 12.04 LTS (precise) - low.
    2016-04-30
    oval:com.ubuntu.trusty:def:20164420000
    V
    		CVE-2016-4420 on Ubuntu 14.04 LTS (trusty) - low.
    2016-04-30
    oval:com.ubuntu.xenial:def:20164420000
    V
    		CVE-2016-4420 on Ubuntu 16.04 LTS (xenial) - low.
    2016-04-30
    BACK
    wireshark wireshark 2.0.0
    wireshark wireshark 2.0.1
    wireshark wireshark 2.0.0
    wireshark wireshark 2.0.1