Vulnerability CVE-2019-13104
Published: 2019-08-06

Description:
In Das U-Boot versions 2016.11-rc1 through 2019.07-rc4, an underflow can cause memcpy() to overwrite a very large amount of data (including the whole stack) while reading a crafted ext4 filesystem.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
DENX -> U-boot 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00004.html
https://gist.github.com/deephooloovoo/d91b81a1674b4750e662dfae93804d75
https://github.com/u-boot/u-boot/commits/master
https://lists.denx.de/pipermail/u-boot/2019-July/375514.html
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