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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200412-20.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200412-20.xml b/xml/htdocs/security/en/glsa/glsa-200412-20.xml new file mode 100644 index 00000000..686a8812 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200412-20.xml @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200412-20"> + <title>NASM: Buffer overflow vulnerability</title> + <synopsis> + NASM is vulnerable to a buffer overflow that allows an attacker to execute + arbitrary code through the use of a malicious object file. + </synopsis> + <product type="ebuild">NASM</product> + <announced>December 20, 2004</announced> + <revised>December 20, 2004: 01</revised> + <bug>74477</bug> + <access>remote</access> + <affected> + <package name="dev-lang/nasm" auto="yes" arch="*"> + <unaffected range="ge">0.98.38-r1</unaffected> + <vulnerable range="le">0.98.38</vulnerable> + </package> + </affected> + <background> + <p> + NASM is a 80x86 assembler that has been created for portability + and modularity. NASM supports Pentium, P6, SSE MMX, and 3DNow + extensions. It also supports a wide range of objects formats (ELF, + a.out, COFF, ...), and has its own disassembler. + </p> + </background> + <description> + <p> + Jonathan Rockway discovered that NASM-0.98.38 has an unprotected + vsprintf() to an array in preproc.c. This code vulnerability may lead + to a buffer overflow and potential execution of arbitrary code. + </p> + </description> + <impact type="normal"> + <p> + A remote attacker could craft a malicious object file which, when + supplied in NASM, would result in the execution of arbitrary code with + the rights of the user running NASM. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All NASM users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=dev-lang/nasm-0.98.38-r1"</code> + </resolution> + <references> + <uri link="http://sourceforge.net/mailarchive/forum.php?thread_id=6166881&forum_id=4978">Original Advisory</uri> + </references> + <metadata tag="requester" timestamp="Thu, 16 Dec 2004 22:07:20 +0000"> + koon + </metadata> + <metadata tag="bugReady" timestamp="Thu, 16 Dec 2004 22:07:54 +0000"> + koon + </metadata> + <metadata tag="submitter" timestamp="Fri, 17 Dec 2004 11:34:13 +0000"> + SeJo + </metadata> +</glsa> |