Test ID:	1.3.6.1.4.1.25623.1.0.56472
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-1020-1)
Summary:	The remote host is missing an update for the Debian 'flex' package(s) announced via the DSA-1020-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'flex' package(s) announced via the DSA-1020-1 advisory. Vulnerability Insight: Chris Moore discovered that flex, a scanner generator, generates code, which allocates insufficient memory, if the grammar contains REJECT statements or trailing context rules. This may lead to a buffer overflow and the execution of arbitrary code. If you use code, which is derived from a vulnerable lex grammar in an untrusted environment you need to regenerate your scanner with the fixed version of flex. The old stable distribution (woody) is not affected by this problem. For the stable distribution (sarge) this problem has been fixed in version 2.5.31-31sarge1. For the unstable distribution (sid) this problem has been fixed in version 2.5.33-1. We recommend that you upgrade your flex package. Affected Software/OS: 'flex' package(s) on Debian 3.1. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2006-0459 16896 http://www.securityfocus.com/bid/16896 19071 http://secunia.com/advisories/19071 19126 http://secunia.com/advisories/19126 19228 http://secunia.com/advisories/19228 19424 http://secunia.com/advisories/19424 23440 http://www.osvdb.org/23440 570 http://securityreason.com/securityalert/570 ADV-2006-0770 http://www.vupen.com/english/advisories/2006/0770 DSA-1020 http://www.us.debian.org/security/2006/dsa-1020 GLSA-200603-07 http://www.gentoo.org/security/en/glsa/glsa-200603-07.xml USN-260-1 https://usn.ubuntu.com/260-1/ [flex-announce] 20060222 flex 2.5.33 released http://sourceforge.net/mailarchive/forum.php?thread_name=20060223020346.GA11231%40tabitha.home.tldz.org&forum_name=flex-announce flex-bypass-security(24995) https://exchange.xforce.ibmcloud.com/vulnerabilities/24995 http://prdownloads.sourceforge.net/flex/flex-2.5.33.tar.bz2?download
Copyright	Copyright (C) 2008 Greenbone AG

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