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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200902-02">
<title>OpenSSL: Certificate validation error</title>
An error in the OpenSSL certificate chain validation might allow for
spoofing attacks.
<product type="ebuild">openssl</product>
<announced>February 12, 2009</announced>
<revised>February 12, 2009: 01</revised>
<package name="dev-libs/openssl" auto="yes" arch="*">
<unaffected range="ge">0.9.8j</unaffected>
<vulnerable range="lt">0.9.8j</vulnerable>
OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
purpose cryptography library.
The Google Security Team reported that several functions incorrectly
check the result after calling the EVP_VerifyFinal() function, allowing
a malformed signature to be treated as a good signature rather than as
an error. This issue affects the signature checks on DSA and ECDSA keys
used with SSL/TLS.
<impact type="normal">
A remote attacker could exploit this vulnerability and spoof arbitrary
names to conduct Man-In-The-Middle attacks and intercept sensitive
There is no known workaround at this time.
All OpenSSL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/openssl-0.9.8j&quot;</code>
<uri link="">CVE-2008-5077</uri>
<metadata tag="requester" timestamp="Tue, 13 Jan 2009 17:07:15 +0000">
<metadata tag="bugReady" timestamp="Tue, 13 Jan 2009 17:07:33 +0000">
<metadata tag="submitter" timestamp="Tue, 13 Jan 2009 17:14:56 +0000">