Unbounded Memory Copy Vulnerability in Das U-Boot Software by DENX
CVE-2019-14195

9.8CRITICAL

Key Information:

Vendor

Denx

Status
U-boot
Vendor
CVE Published:
31 July 2019

What is CVE-2019-14195?

An unbounded memory copy vulnerability exists in the Das U-Boot bootloader, specifically in the nfs_readlink_reply function. This flaw allows for an unvalidated length during memory operations, creating a potential exploit vector that could compromise the integrity of the system. Attackers could leverage this vulnerability to manipulate memory, leading to potential unauthorized access or system instability. Users are advised to review their systems for the affected versions and apply any available patches.

References

https://gitlab.com/u-boot/u-boot
x_refsource_MISC
https://blog.semmle.com/uboot-rce-nfs-vulnerability/
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.