CVE-2022-28733

Summary

Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. Under certain circumstances the total_len value may end up wrapping around to a small integer number which will be used in memory allocation. If the attack succeeds in such way, subsequent operations can write past the end of the buffer.

Affected Software

Weaknesses

• CWE-191: CWE-191

ADP Enrichment

CVE Program Container

Additional References

• https://www.openwall.com/lists/oss-security/2022/06/07/5
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
• https://security.netapp.com/advisory/ntap-20230825-0002/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://www.openwall.com/lists/oss-security/2022/06/07/5
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
• https://security.netapp.com/advisory/ntap-20230825-0002/

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