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CVE-2018-0202

Status Candidate

Overview

clamscan in ClamAV before 0.99.4 contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation checking mechanisms when handling Portable Document Format (.pdf) files sent to an affected device. An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted .pdf file to an affected device. This action could cause an out-of-bounds read when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition. This concerns pdf_parse_array and pdf_parse_string in libclamav/pdfng.c. Cisco Bug IDs: CSCvh91380, CSCvh91400.

Related Files

Gentoo Linux Security Advisory 201804-16
Posted Apr 23, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201804-16 - Multiple vulnerabilities have been found in ClamAV, the worst of which may allow remote attackers to execute arbitrary code. Versions less than 0.99.4 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-6706, CVE-2017-11423, CVE-2017-6418, CVE-2017-6419, CVE-2017-6420, CVE-2018-0202, CVE-2018-1000085
SHA-256 | 226978b0f937cb909624ee469a0860710a9405d8025f924fe1f98de9f9477c57
Ubuntu Security Notice USN-3592-2
Posted Mar 8, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3592-2 - USN-3592-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that ClamAV incorrectly handled parsing certain PDF files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-0202, CVE-2018-1000085
SHA-256 | d95dda82c97ffa745c7ee0d02694ef3dc4464091da45bf508bcd463b5fa03b92
Ubuntu Security Notice USN-3592-1
Posted Mar 8, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3592-1 - It was discovered that ClamAV incorrectly handled parsing certain PDF files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. Hanno BAPck discovered that ClamAV incorrectly handled parsing certain XAR files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-0202, CVE-2018-1000085
SHA-256 | 5257934bc63f4443ea752a3894f1aca11c781da1dd62e1150dfb4c50e2d9259b
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