Vulnerability CVE-2016-4421

Vulnerability Name:

CVE-2016-4421 (CCN-111095)

Assigned:

2016-02-26

Published:

2016-02-26

Updated:

2016-12-03

Summary:

epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2.x before 2.0.2 allows remote attackers to cause a denial of service (deep recursion, stack consumption, and application crash) via a packet that specifies deeply nested data.

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-2016-4421

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2016:0660

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2016:0661

Source: CCN
Type: SECTRACK ID: 1035118
Wireshark Multiple Dissector/Parser Bugs Let Remote Users Deny Service and Let Local Users Gain Elevated Privileges

Source: CONFIRM
Type: UNKNOWN
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html

Source: CONFIRM
Type: UNKNOWN
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11822

Source: XF
Type: UNKNOWN
wireshark-asn1berdissector-dos(111095)

Source: CCN
Type: Wireshark advisory wnpa-sec-2016-18
ASN.1 BER dissector crash

Source: CONFIRM
Type: Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2016-18.html

Vulnerable Configuration:

Configuration 1:

cpe:/a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.4:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.5:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.6:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.7:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.8:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:1.12.9:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*

OR cpe:/a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*

Configuration CCN 1: