CVE-2019-13104 — Integer Underflow (Wrap or Wraparound) in U-boot

CWE-191 — Integer Underflow (Wrap or Wraparound)CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 47.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Denx U-bootDebian U-bootOpensuse Leap
Timeline
PublishedAug 6
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/u-boot< u-boot 2020.01+dfsg-1 (bookworm)
▶Debiandenx/u-boot< 2020.01+dfsg-1+3
▶NVDdenx/u-boot2016.09 — 2019.04+1
▶NVDopensuse/leap15.0, 15.1+1

Patches

Patch: github.com ↗Patch: lists.denx.de ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-rf5j-jvr6-2g8r: In Das U-Boot versions 2016↗2022-05-24
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OSV
CVE-2019-13104: In Das U-Boot versions 2016↗2019-08-06
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📋Vendor Advisories

1
Debian
CVE-2019-13104: u-boot - In Das U-Boot versions 2016.11-rc1 through 2019.07-rc4, an underflow can cause m...↗2019
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CVE-2019-13104 — Integer Underflow (Wrap or Wraparound) | cvebase