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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200609-15.xml')
| -rw-r--r-- | xml/htdocs/security/en/glsa/glsa-200609-15.xml | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/xml/htdocs/security/en/glsa/glsa-200609-15.xml b/xml/htdocs/security/en/glsa/glsa-200609-15.xml new file mode 100644 index 00000000..894b5318 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200609-15.xml @@ -0,0 +1,67 @@ +<?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="200609-15"> + <title>GnuTLS: RSA Signature Forgery</title> + <synopsis> + GnuTLS fails to handle excess data which could allow an attacker to forge a + PKCS #1 v1.5 signature. + </synopsis> + <product type="ebuild">gnutls</product> + <announced>September 26, 2006</announced> + <revised>September 26, 2006: 01</revised> + <bug>147682</bug> + <access>remote</access> + <affected> + <package name="net-libs/gnutls" auto="yes" arch="*"> + <unaffected range="ge">1.4.4</unaffected> + <vulnerable range="lt">1.4.4</vulnerable> + </package> + </affected> + <background> + <p> + GnuTLS is an implementation of SSL 3.0 and TLS 1.0. + </p> + </background> + <description> + <p> + verify.c fails to properly handle excess data in + digestAlgorithm.parameters field while generating a hash when using an + RSA key with exponent 3. RSA keys that use exponent 3 are commonplace. + </p> + </description> + <impact type="normal"> + <p> + Remote attackers could forge PKCS #1 v1.5 signatures that are signed + with an RSA key, preventing GnuTLS from correctly verifying X.509 and + other certificates that use PKCS. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All GnuTLS users should update both packages: + </p> + <code> + # emerge --sync + # emerge --update --ask --verbose ">=net-libs/gnutls-1.4.4"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4790">CVE-2006-4790</uri> + </references> + <metadata tag="requester" timestamp="Sat, 23 Sep 2006 06:35:02 +0000"> + jaervosz + </metadata> + <metadata tag="submitter" timestamp="Mon, 25 Sep 2006 13:07:32 +0000"> + hlieberman + </metadata> + <metadata tag="bugReady" timestamp="Mon, 25 Sep 2006 18:24:37 +0000"> + falco + </metadata> +</glsa> |