CVE-2017-12762 Information

Description

In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree 4.12-stable tree 3.18-stable tree and 4.4-stable tree.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2020/02/11/1 http://www.openwall.com/lists/oss-security/2020/02/11/2 http://www.openwall.com/lists/oss-security/2020/02/14/4 http://www.securityfocus.com/bid/100251 https://patchwork.kernel.org/patch/9880041/ https://usn.ubuntu.com/3620-1/ https://usn.ubuntu.com/3620-2/

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