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Diffstat (limited to 'metadata/glsa/glsa-200407-06.xml')
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diff --git a/metadata/glsa/glsa-200407-06.xml b/metadata/glsa/glsa-200407-06.xml new file mode 100644 index 000000000000..75f33bb95d8b --- /dev/null +++ b/metadata/glsa/glsa-200407-06.xml @@ -0,0 +1,71 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200407-06"> + <title>libpng: Buffer overflow on row buffers</title> + <synopsis> + libpng contains a buffer overflow vulnerability potentially allowing an + attacker to perform a Denial of Service attack or even execute arbitrary + code. + </synopsis> + <product type="ebuild">libpng</product> + <announced>2004-07-08</announced> + <revised count="01">2004-07-08</revised> + <bug>56307</bug> + <access>remote</access> + <affected> + <package name="media-libs/libpng" auto="yes" arch="*"> + <unaffected range="ge">1.2.5-r7</unaffected> + <vulnerable range="le">1.2.5-r6</vulnerable> + </package> + </affected> + <background> + <p> + libpng is a standard library used to process PNG (Portable Network + Graphics) images. It is used by several other programs, including web + browsers and potentially server processes. + </p> + </background> + <description> + <p> + Due to a wrong calculation of loop offset values, libpng contains a buffer + overflow vulnerability on the row buffers. This vulnerability was initially + patched in January 2003 but since it has been discovered that libpng + contains the same vulnerability in two other places. + </p> + </description> + <impact type="normal"> + <p> + An attacker could exploit this vulnerability to cause programs linked + against the library to crash or execute arbitrary code with the permissions + of the user running the vulnerable program, which could be the root user. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. All users are encouraged to + upgrade to the latest available version. + </p> + </workaround> + <resolution> + <p> + All libpng users should upgrade to the latest stable version: + </p> + <code> + # emerge sync + + # emerge -pv ">=media-libs/libpng-1.2.5-r7" + # emerge ">=media-libs/libpng-1.2.5-r7"</code> + <p> + You should also run revdep-rebuild to rebuild any packages that depend on + older versions of libpng : + </p> + <code> + # revdep-rebuild</code> + </resolution> + <references> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1363">CAN-2002-1363</uri> + </references> + <metadata tag="submitter"> + jaervosz + </metadata> +</glsa> |