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{"bugzilla": {"description": "libtiff: heap-buffer overflow via extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c", "id": "2215209", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215209"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-119", "details": ["libtiff 4.5.0 is vulnerable to Buffer Overflow via extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c:3215.", "A heap-based buffer overflow vulnerability was found in LibTIFF's tiffcrop utility in the extractContigSamplesBytes() function. This flaw allows an attacker to pass a crafted TIFF image file to the tiffcrop utility, which causes an out-of-bounds read access resulting in an application crash, eventually leading to a denial of service."], "name": "CVE-2023-25434", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "compat-libtiff3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "compat-libtiff3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-06-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-25434\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-25434"], "statement": "This vulnerability in tiffcrop is classified as moderate severity rather than important because, while it leads to a denial of service (DoS) via a crash, the impact is not critical in terms of system compromise or data loss. The vulnerability, caused by a heap-based buffer overflow, results in an out-of-bounds read, which disrupts the functionality of the tiffcrop utility but does not allow an attacker to execute arbitrary code or escalate privileges. Additionally, exploitation requires the attacker to provide a specially crafted TIFF file, meaning it is not easily triggered remotely without user interaction. While it poses a disruption to operations, it does not lead to broader system vulnerabilities or compromise, justifying its classification as moderate severity.", "threat_severity": "Moderate"}