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Diffstat (limited to 'metadata/glsa/glsa-201706-21.xml')
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diff --git a/metadata/glsa/glsa-201706-21.xml b/metadata/glsa/glsa-201706-21.xml new file mode 100644 index 000000000000..742106706ce4 --- /dev/null +++ b/metadata/glsa/glsa-201706-21.xml @@ -0,0 +1,60 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201706-21"> + <title>nettle: Information disclosure</title> + <synopsis>A cache-related side channel vulnerability was found in nettle + which might allow an attacker to obtain sensitive information. + </synopsis> + <product type="ebuild">nettle</product> + <announced>2017-06-22</announced> + <revised count="1">2017-06-22</revised> + <bug>590484</bug> + <access>local, remote</access> + <affected> + <package name="dev-libs/nettle" auto="yes" arch="*"> + <unaffected range="ge">3.2-r1</unaffected> + <vulnerable range="lt">3.2-r1</vulnerable> + </package> + </affected> + <background> + <p>Nettle is a cryptographic library that is designed to fit easily in + almost any context: In cryptographic toolkits for object-oriented + languages, such as C++, Python, or Pike, in applications like lsh or + GnuPG, or even in kernel space. + </p> + </background> + <description> + <p>It was found that nettle’s RSA and DSA decryption code was vulnerable + to cache-related side channel attacks. + </p> + + <p>See the referenced technical paper “Cache Attacks Enable Bulk Key + Recovery on the Cloud” below for details. + </p> + </description> + <impact type="normal"> + <p>An attacker could recover the private key from a co-located + virtual-machine instance. + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All nettle users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=dev-libs/nettle-3.2-r1" + </code> + + </resolution> + <references> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6489">CVE-2016-6489</uri> + <uri link="https://eprint.iacr.org/2016/596.pdf">Cache Attacks Enable Bulk + Key Recovery on the Cloud + </uri> + </references> + <metadata tag="requester" timestamp="2017-04-19T05:47:07Z">BlueKnight</metadata> + <metadata tag="submitter" timestamp="2017-06-22T17:24:59Z">whissi</metadata> +</glsa> |