National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-2522 Detail

Description

The dissect_ber_constrained_bitstring function in epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 2.0.x before 2.0.2 does not verify that a certain length is nonzero, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.

Source:  MITRE
Description Last Modified:  02/27/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.9 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.2

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securitytracker.com/id/1035118
http://www.wireshark.org/security/wnpa-sec-2016-02.html Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11828 Exploit Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9b2f3f7c5c9205381cb72e42b66e97d8ed3abf63
https://security.gentoo.org/glsa/201604-05

Technical Details

Vulnerability Type (View All)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2522
NVD Published Date:
02/27/2016
NVD Last Modified:
09/07/2017