CVE-2020-13143

MEDIUM

Description

gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 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.

References

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/tip/tip.git/commit/?id=d126cf46f829d146dde3e6a8963e095ac6cfcd1c

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

Details

Source: MITRE

Published: 2020-05-18

Updated: 2021-01-04

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM