CVE-2018-11412

MEDIUM

Description

In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.

References

http://www.securityfocus.com/bid/104291

https://access.redhat.com/errata/RHSA-2019:0525

https://bugs.chromium.org/p/project-zero/issues/detail?id=1580

https://bugzilla.kernel.org/show_bug.cgi?id=199803

https://usn.ubuntu.com/3752-1/

https://usn.ubuntu.com/3752-2/

https://usn.ubuntu.com/3752-3/

https://www.exploit-db.com/exploits/44832/

Details

Source: MITRE

Published: 2018-05-24

Updated: 2019-03-15

Type: CWE-416

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: 5.9

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

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM