Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Grub2 | >= 2.00, < 2.06-3 |
Related Weaknesses (CWE)
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230825-0002/
- https://www.openwall.com/lists/oss-security/2022/06/07/5Mailing ListThird Party Advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230825-0002/
- https://www.openwall.com/lists/oss-security/2022/06/07/5Mailing ListThird Party Advisory
FAQ
What is CVE-2022-28733?
CVE-2022-28733 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 circumstan...
How severe is CVE-2022-28733?
CVE-2022-28733 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-28733?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Grub2.