CVE-2017-12893 Information

Description

The SMB/CIFS parser in tcpdump before 4.9.2 has a buffer over-read in smbutil.c:name_len().

CVSS Vector

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

Reference

http://www.debian.org/security/2017/dsa-3971 http://www.securitytracker.com/id/1039307 http://www.tcpdump.org/tcpdump-changes.txt https://access.redhat.com/errata/RHEA-2018:0705 https://github.com/the-tcpdump-group/tcpdump/commit/6f5ba2b651cd9d4b7fa8ee5c4f94460645877c45 https://security.gentoo.org/glsa/201709-23 https://support.apple.com/HT208221

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8