wb2osz/direwolf <= 1.8 Stack-based Buffer Overflow DoS_CVE-2025-34457

{
    "lastseen": "",
    "description": "wb2osz/direwolf (Dire Wolf) versions up to and including 1.8, prior to commit 694c954, contain a stack-based buffer overflow vulnerability in the function kiss_rec_byte() located in src/kiss_frame.c. When processing crafted KISS frames that reach the maximum allowed frame length (MAX_KISS_LEN), the function appends a terminating FEND byte without reserving sufficient space in the stack buffer. This results in an out-of-bounds write followed by an out-of-bounds read during the subsequent call to kiss_unwrap(), leading to stack memory corruption or application crashes. This vulnerability may allow remote unauthenticated attackers to trigger a denial-of-service condition.",
    "published": "2025-12-22T21:30:29.670Z",
    "modified": "2025-12-22T21:53:54.134Z",
    "type": "cve",
    "title": "wb2osz/direwolf <= 1.8 Stack-based Buffer Overflow DoS",
    "source": "VulnCheck",
    "references": "https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-010-direwolf-stack-buffer-overflow-kiss-frame.md\nhttps://github.com/wb2osz/direwolf/issues/617\nhttps://github.com/wb2osz/direwolf/commit/694c954\nhttps://www.vulncheck.com/advisories/wb2osz-direwolf-stack-based-buffer-overflow-dos",
    "id": "CVE-2025-34457",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121"
    ],
    "cvelist": null,
    "sourceData": "wb2osz Dire Wolf 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Dire Wolf",
    "version": "0",
    "vendor": "wb2osz",
    "ai_description": "Stack-based buffer overflow vulnerability in the kiss_rec_byte function, allowing remote unauthenticated attackers to trigger a denial-of-service condition.",
    "ai_severity": "High",
    "ai_vendor": "wb2osz",
    "ai_product": "Dire Wolf",
    "ai_version": "1.8",
    "ai_score": 8.7
}