High severity · published Aug 23, 2024
CVE-2024-42040
Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to…
8.1
CVSS
0.6%
EPSS
No
On KEV
Description
Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to leak memory from four up to 32 bytes of memory stored behind the packet to the network depending on the later use of DHCP-provided parameters via crafted DHCP responses.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UB
U-boot · Denx
through 2025.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-42040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-42040
Release Notes
https://github.com/u-boot/u-boot/tags
Mitigation
https://www.schutzwerk.com/advisories/SCHUTZWERK-SA-2024-004.txt
Mailing List
http://seclists.org/fulldisclosure/2024/Aug/38
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