Out-of-bounds Write Affecting u-boot package, versions <2020.10+dfsg-1ubuntu0~18.04.2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.25% (64th percentile)

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  • Snyk IDSNYK-UBUNTU1804-UBOOT-557075
  • published1 Aug 2019
  • disclosed31 Jul 2019

Introduced: 31 Jul 2019

CVE-2019-14193  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 u-boot to version 2020.10+dfsg-1ubuntu0~18.04.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream u-boot package and not the u-boot package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with an unvalidated length at nfs_readlink_reply, in the "if" block after calculating the new path length.