The remote host is affected by the vulnerability described in GLSA-200909-04 (Clam AntiVirus: Multiple vulnerabilities)

    Multiple vulnerabilities have been found in ClamAV:
    The     vendor reported a Divide-by-zero error in the PE ('Portable     Executable'; Windows .exe) file handling of ClamAV     (CVE-2008-6680).
    Jeffrey Thomas Peckham found a flaw in     libclamav/untar.c, possibly resulting in an infinite loop when     processing TAR archives in clamd and clamscan (CVE-2009-1270).
    Martin Olsen reported a vulnerability in the CLI_ISCONTAINED macro     in libclamav/others.h, when processing UPack archives     (CVE-2009-1371).
    Nigel disclosed a stack-based buffer overflow     in the 'cli_url_canon()' function in libclamav/phishcheck.c when     processing URLs (CVE-2009-1372).
  Impact :

    A remote attacker could entice a user or automated system to process a     specially crafted UPack archive or a file containing a specially     crafted URL, possibly resulting in the remote execution of arbitrary     code with the privileges of the user running the application, or a     Denial of Service. Furthermore, a remote attacker could cause a Denial     of Service by supplying a specially crafted TAR archive or PE     executable to a Clam AntiVirus instance.
  Workaround :

    There is no known workaround at this time.

Multiple vulnerabilities has been found and corrected in clamav :

Unspecified vulnerability in ClamAV before 0.95 allows remote attackers to bypass detection of malware via a modified RAR archive (CVE-2009-1241).

libclamav/pe.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (crash) via a crafted EXE file that triggers a divide-by-zero error (CVE-2008-6680).

libclamav/untar.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (infinite loop) via a crafted file that causes (1) clamd and (2) clamscan to hang (CVE-2009-1270).

The CLI_ISCONTAINED macro in libclamav/others.h in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) via a malformed file with UPack encoding (CVE-2009-1371).

Stack-based buffer overflow in the cli_url_canon function in libclamav/phishcheck.c in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted URL (CVE-2009-1372).

Important notice about this upgrade: clamav-0.95+ bundles support for RAR v3 in libclamav which is a license violation as the RAR v3 license and the GPL license is not compatible. As a consequence to this Mandriva has been forced to remove the RAR v3 code.

This update provides clamav 0.95.1, which is not vulnerable to these issues.

It was discovered that ClamAV did not properly verify its input when processing TAR archives. A remote attacker could send a specially crafted TAR file and cause a denial of service via infinite loop.
(CVE-2009-1270)

It was discovered that ClamAV did not properly validate Portable Executable (PE) files. A remote attacker could send a crafted PE file and cause a denial of service (divide by zero). (CVE-2008-6680).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is running a version of Mac OS X 10.5 or 10.4 that does not have Security Update 2009-005 applied.

This security update contains fixes for the following products :

  - Alias Manager
  - CarbonCore
  - ClamAV
  - ColorSync
  - CoreGraphics
  - CUPS
  - Flash Player plug-in
  - ImageIO
  - Launch Services
  - MySQL
  - PHP
  - SMB
  - Wiki Server

Multiple vulnerabilities has been found and corrected in clamav :

Unspecified vulnerability in ClamAV before 0.95 allows remote attackers to bypass detection of malware via a modified RAR archive (CVE-2009-1241).

libclamav/pe.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (crash) via a crafted EXE file that triggers a divide-by-zero error (CVE-2008-6680).

libclamav/untar.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (infinite loop) via a crafted file that causes (1) clamd and (2) clamscan to hang (CVE-2009-1270).

The CLI_ISCONTAINED macro in libclamav/others.h in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) via a malformed file with UPack encoding (CVE-2009-1371).

Stack-based buffer overflow in the cli_url_canon function in libclamav/phishcheck.c in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted URL (CVE-2009-1372).

Important notice about this upgrade: clamav-0.95+ bundles support for RAR v3 in libclamav which is a license violation as the RAR v3 license and the GPL license is not compatible. As a consequence to this Mandriva has been forced to remove the RAR v3 code.

Packages for 2008.0 are provided for Corporate Desktop 2008.0 customers

This update provides clamav 0.95.2, which is not vulnerable to these issues. Additionally klamav-0.46 is being provided that has support for clamav-0.95+.

According to its version, the clamd antivirus daemon on the remote host is earlier than 0.95. Such versions are affected by multiple vulnerabilities :

  - A failure to handle certain malformed 'RAR' archive     files could make it possible for certain archive files     to     evade detection from the scan engine. (Bug 1467)

  - A failure to handle certain malformed 'RAR' archive     files could send the application into an infinite loop,     which could make it possible to crash the scan engine.
    (Bug 1462)

  - A divide by zero issue when handling specially crafted     'PE' file could be used to crash the affected     application. (Bug 1335)

Several vulnerabilities have been discovered in the ClamAV anti-virus toolkit :

  - CVE-2008-6680     Attackers can cause a denial of service (crash) via a     crafted EXE file that triggers a divide-by-zero error.

  - CVE-2009-1270     Attackers can cause a denial of service (infinite loop)     via a crafted tar file that causes (1) clamd and (2)     clamscan to hang.

  - (no CVE Id yet)

    Attackers can cause a denial of service (crash) via a     crafted EXE file that crashes the UPack unpacker.

According to its version, the clamd antivirus daemon on the remote host is earlier than 0.95.  Such versions fail to handle certain  malformed 'RAR' archive files, and hence it may be possible for certain archive files to evade detection from the scan engine. 

ID	Name	Product	Family	Published	Updated	Severity
40912	GLSA-200909-04 : Clam AntiVirus: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	9/10/2009	1/6/2021	critical
38165	Mandriva Linux Security Advisory : clamav (MDVSA-2009:097)	Nessus	Mandriva Local Security Checks	4/27/2009	1/6/2021	critical
37498	Ubuntu 8.10 : clamav vulnerabilities (USN-754-1)	Nessus	Ubuntu Local Security Checks	4/23/2009	1/19/2021	high
40945	Mac OS X Multiple Vulnerabilities (Security Update 2009-005)	Nessus	MacOS X Local Security Checks	9/11/2009	5/28/2024	critical
43076	Mandriva Linux Security Advisory : clamav (MDVSA-2009:327)	Nessus	Mandriva Local Security Checks	12/9/2009	1/6/2021	critical
36075	ClamAV < 0.95 Scan Evasion	Nessus	Misc.	4/2/2009	11/15/2018	medium
36164	Debian DSA-1771-1 : clamav - several vulnerabilities	Nessus	Debian Local Security Checks	4/16/2009	1/4/2021	high
4982	ClamAV < 0.95 Scan Evasion (deprecated)	Nessus Network Monitor	Web Clients	4/3/2009	3/6/2019	high

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