Update to 0.97.3 which fixes CVE-2011-3627 clamav: Recursion level crash fixed in v0.97.3
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Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201110-20 (Clam AntiVirus: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Clam AntiVirus. Please       review the CVE identifiers referenced below for details.
  Impact :

    An unauthenticated remote attacker may execute arbitrary code with the       privileges of the Clam AntiVirus process or cause a Denial of Service by       causing an affected user or system to scan a crafted file.
  Workaround :

    There is no known workaround at this time.

It was discovered that the hash processing code in libclamav improperly handled messages with certain hashes. This could allow a remote attacker to craft a document that could cause clamav to crash, resulting in a denial of service.

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.

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

New clamav 0.9.7 packages fix an off-by-one vulnerability which could lead to a DoS condition. (CVE-2011-2721)

It also brings other enhancements, support for signatures based on SHA1 and SHA256, better error detection, as well as speed and memory optimizations. The complete list of changes is available in the ChangeLog file. For upgrade notes and tips please see :

https://wiki.clamav.net/Main/UpgradeNotes097

New clamav packages fix an off-by-one vulnerability which could lead to a DoS condition. CVE-2011-2721 has been assigned to this issue.

A vulnerability has been discovered and corrected in clamav :

Off-by-one error in the cli_hm_scan function in matcher-hash.c in libclamav in ClamAV before 0.97.2 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message that is not properly handled during certain hash calculations (CVE-2011-2721).

Packages for 2009.0 are provided as of the Extended Maintenance Program. Please visit this link to learn more:
http://store.mandriva.com/product_info.php?cPath=149 products_id=490

The updated packages have been upgraded to the 0.97.2 version which is not vulnerable to this issue.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
56732	Fedora 14 : clamav-0.97.3-1400.fc14 (2011-15076)	Nessus	Fedora Local Security Checks	2011/11/8	2021/1/11	medium
56595	GLSA-201110-20 : Clam AntiVirus: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2011/10/24	2021/1/6	high
55729	Ubuntu 11.04 : clamav vulnerability (USN-1179-1)	Nessus	Ubuntu Local Security Checks	2011/7/29	2019/9/19	medium
55865	Fedora 14 : clamav-0.97.2-1400.fc14 (2011-10053)	Nessus	Fedora Local Security Checks	2011/8/17	2021/1/11	medium
55971	SuSE9 Security Update : clamav (YOU Patch Number 12821)	Nessus	SuSE Local Security Checks	2011/8/25	2021/1/14	medium
75451	openSUSE Security Update : clamav (openSUSE-SU-2011:0940-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium
57168	SuSE 10 Security Update : ClamAV (ZYPP Patch Number 7662)	Nessus	SuSE Local Security Checks	2011/12/13	2021/1/19	medium
55866	Fedora 15 : clamav-0.97.2-1500.fc15 (2011-10090)	Nessus	Fedora Local Security Checks	2011/8/17	2021/1/11	medium
55848	Mandriva Linux Security Advisory : clamav (MDVSA-2011:122)	Nessus	Mandriva Local Security Checks	2011/8/15	2021/1/6	medium
75799	openSUSE Security Update : clamav (openSUSE-SU-2011:0940-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium

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