PT-2019-14482 · Pengutronix · Barebox

Sascha Hauer · Published 2019-09-05 · Updated 2020-08-24 · CVE-2019-15937

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Pengutronix barebox versions prior to 2019.08.1

Description The issue is related to a remote buffer overflow in the nfs readlink reply function located in net/nfs.c. This occurs because a length field is directly used for a memcpy, which can lead to a buffer overflow.

Recommendations For versions prior to 2019.08.1, update to a version that contains a fix for this issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-15937

Affected Products

Barebox

References · 3

• https://osv.dev/vulnerability/CVE-2019-15937 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15937 · Security Note
• https://git.pengutronix.de/cgit/barebox/commit/net/nfs.c?h=next&id=84986ca024462058574432b5483f4bf9136c538d · Patch