CVE-2017-17935 Information

Description

The File_read_line function in epan/wslua/wslua_file.c in Wireshark through 2.2.11 does not properly strip ‘\n’ characters which allows remote attackers to cause a denial of service (buffer underflow and application crash) via a crafted packet that triggers the attempted processing of an empty line.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/102311 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14295 https://code.wireshark.org/review//c/24997/ https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=137ab7d5681486c6d6cc8faac4300b7cd4ec0cf1 https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5