CVE-2020-13143 Information

Description

gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel through 5.6.13 relies on kstrdup without considering the possibility of an internal ‘\0’ value which allows attackers to trigger an out-of-bounds read aka CID-15753588bcd4.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15753588bcd4bbffae1cca33c8ced5722477fe1f https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html https://security.netapp.com/advisory/ntap-20200608-0001/ https://usn.ubuntu.com/4411-1/ https://usn.ubuntu.com/4412-1/ https://usn.ubuntu.com/4413-1/ https://usn.ubuntu.com/4414-1/ https://usn.ubuntu.com/4419-1/ https://www.debian.org/security/2020/dsa-4698 https://www.debian.org/security/2020/dsa-4699 https://www.spinics.net/lists/linux-usb/msg194331.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5