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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200711-08.xml')
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1 files changed, 73 insertions, 0 deletions
diff --git a/xml/htdocs/security/en/glsa/glsa-200711-08.xml b/xml/htdocs/security/en/glsa/glsa-200711-08.xml new file mode 100644 index 00000000..5c5bd170 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200711-08.xml @@ -0,0 +1,73 @@ +<?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="200711-08"> + <title>libpng: Multiple Denials of Service</title> + <synopsis> + Several vulnerabilities in libpng may allow a remote attacker to crash + applications that handle untrusted images. + </synopsis> + <product type="ebuild">libpng</product> + <announced>November 07, 2007</announced> + <revised>November 07, 2007: 01</revised> + <bug>195261</bug> + <access>remote</access> + <affected> + <package name="media-libs/libpng" auto="yes" arch="*"> + <unaffected range="ge">1.2.21-r3</unaffected> + <vulnerable range="lt">1.2.21-r3</vulnerable> + </package> + </affected> + <background> + <p> + libpng is a free ANSI C library used to process and manipulate PNG + images. + </p> + </background> + <description> + <p> + An off-by-one error when handling ICC profile chunks in the + png_set_iCCP() function was discovered (CVE-2007-5266). George Cook and + Jeff Phillips reported several errors in pngrtran.c, the use of logical + instead of a bitwise functions and incorrect comparisons + (CVE-2007-5268). Tavis Ormandy reported out-of-bounds read errors in + several PNG chunk handling functions (CVE-2007-5269). + </p> + </description> + <impact type="normal"> + <p> + A remote attacker could craft an image that when processed or viewed by + an application using libpng would cause the application to terminate + abnormally. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All libpng users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.21-r3"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5266">CVE-2007-5266</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5268">CVE-2007-5268</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5269">CVE-2007-5269</uri> + </references> + <metadata tag="requester" timestamp="Sat, 20 Oct 2007 09:57:33 +0000"> + p-y + </metadata> + <metadata tag="bugReady" timestamp="Sat, 20 Oct 2007 09:57:41 +0000"> + p-y + </metadata> + <metadata tag="submitter" timestamp="Fri, 26 Oct 2007 00:26:03 +0000"> + rbu + </metadata> +</glsa> |