CVE-2016-2522 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9