Bug 1218885 (CVE-2023-45235)

Summary: VUL-0: CVE-2023-45235: edk2, ovmf: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message
Product: [Novell Products] SUSE Security Incidents Reporter: SMASH SMASH <smash_bz>
Component: IncidentsAssignee: Joey Lee <jlee>
Status: NEW --- QA Contact: Security Team bot <security-team>
Severity: Major    
Priority: P3 - Medium CC: guillaume.gardet, jlee, meissner, stoyan.manolov
Version: unspecifiedFlags: stoyan.manolov: needinfo? (jlee)
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/391383/
Whiteboard: CVSSv3.1:SUSE:CVE-2023-45235:8.3:(AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description SMASH SMASH 2024-01-17 04:43:52 UTC
EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option  from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-45235
https://www.cve.org/CVERecord?id=CVE-2023-45235
https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
http://www.openwall.com/lists/oss-security/2024/01/16/2
https://bugzilla.redhat.com/show_bug.cgi?id=2258700