CVE-2019-13104: Integer Underflow
First published: Tue Aug 06 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| DENX U-Boot | >=2016.09<=2019.04 | |
| DENX U-Boot | =2019.07 | |
| DENX U-Boot | =2019.07-rc1 | |
| DENX U-Boot | =2019.07-rc2 | |
| DENX U-Boot | =2019.07-rc3 | |
| DENX U-Boot | =2019.07-rc4 | |
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =15.1 |
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Reference Links
- 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
Frequently Asked Questions
What is CVE-2019-13104?
CVE-2019-13104 is a vulnerability in Das U-Boot versions 2016.11-rc1 through 2019.07-rc4 that can cause an underflow, leading to data corruption.
How does CVE-2019-13104 affect my system?
CVE-2019-13104 can allow an attacker to overwrite a large amount of data, including the whole stack, while reading a crafted ext4 filesystem.
What is the severity of CVE-2019-13104?
CVE-2019-13104 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2019-13104?
Das U-Boot versions 2016.11-rc1 through 2019.07-rc4 are affected by CVE-2019-13104.
How can I fix CVE-2019-13104?
Installing the latest version of Das U-Boot that includes the fix for CVE-2019-13104 is recommended.
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