ghsa-6j5q-p9xp-3cc6
Vulnerability from github
A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to an integer underflow in a bounds check that allows for a heap buffer overflow read. An attacker could exploit this vulnerability by submitting a crafted file containing OLE2 content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability, see the . Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
{ affected: [], aliases: [ "CVE-2025-20128", ], database_specific: { cwe_ids: [ "CWE-120", "CWE-122", ], github_reviewed: false, github_reviewed_at: null, nvd_published_at: "2025-01-22T17:15:12Z", severity: "MODERATE", }, details: "A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\n\nThis vulnerability is due to an integer underflow in a bounds check that allows for a heap buffer overflow read. An attacker could exploit this vulnerability by submitting a crafted file containing OLE2 content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software.\nFor a description of this vulnerability, see the .\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.", id: "GHSA-6j5q-p9xp-3cc6", modified: "2025-01-22T18:31:56Z", published: "2025-01-22T18:31:55Z", references: [ { type: "ADVISORY", url: "https://nvd.nist.gov/vuln/detail/CVE-2025-20128", }, { type: "WEB", url: "https://blog.clamav.net/2025/01/clamav-142-and-108-security-patch.html", }, { type: "WEB", url: "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-ole2-H549rphA", }, ], schema_version: "1.4.0", severity: [ { score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", type: "CVSS_V3", }, ], }
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Sightings
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Nomenclature
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