Barebox
CVE-2021-37848
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison.
AnalysisAI
common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Technical ContextAI
This vulnerability is classified under CWE-203. common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison. Affected products include: Pengutronix Barebox. Version information: through 2021.07.0.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
crypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing information because memcmp is used during digest v
Pengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_req in fs/nfs.c because a length fiel
Pengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_reply in net/nfs.c because a length f
Pengutronix Barebox through v2020.05.0 has an out-of-bounds read in nfs_read_reply in net/nfs.c because a field of an in
Memory corruption in the barebox bootloader's EFI PE loader (efi/loader/pe.c) affects all versions prior to 2026.04.0, a
A signature bypass vulnerability exists in the barebox bootloader's FIT (Flattened Image Tree) image verification mechan
Denial of service in the barebox bootloader (all versions up to and including 2026.04.0) lets an attacker on the same br
Infinite loop denial-of-service in barebox's ext4 directory parser allows an attacker who can supply a crafted filesyste
Out-of-bounds read vulnerabilities in barebox's ext4 extent parsing allow an attacker who can supply a malformed ext4 fi
Same weakness CWE-203 – Observable Discrepancy
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External POC / Exploit Code
Leaving vuln.today