U Boot
CVE-2022-33103
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().
AnalysisAI
Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir(). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir(). Affected products include: Denx U-Boot.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md"
Das U-Boot 2022.01 has a Buffer Overflow, a different issue than CVE-2022-30552. Rated high severity (CVSS 7.8), this vu
Das U-Boot through 2020.01 allows attackers to bypass verified boot restrictions and subsequently boot arbitrary images
nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a fai
DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow via a malicious TFTP server because TFTP traf
There exists an unchecked length field in UBoot. Rated high severity (CVSS 7.7), this vulnerability is no authentication
An issue was discovered in Das U-Boot through 2019.07. Rated critical severity (CVSS 9.8), this vulnerability is remotel
An issue was discovered in Das U-Boot through 2019.07. Rated critical severity (CVSS 9.8), this vulnerability is remotel
An issue was discovered in Das U-Boot through 2019.07. Rated critical severity (CVSS 9.8), this vulnerability is remotel
An issue was discovered in Das U-Boot through 2019.07. Rated critical severity (CVSS 9.8), this vulnerability is remotel
An issue was discovered in Das U-Boot through 2019.07. Rated critical severity (CVSS 9.8), this vulnerability is remotel
An issue was discovered in Das U-Boot through 2019.07. Rated critical severity (CVSS 9.8), this vulnerability is remotel
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
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External POC / Exploit Code
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