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author | 2020-07-27 00:06:13 +0000 | |
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committer | 2020-07-27 00:06:13 +0000 | |
commit | 5b130c06212e593b5952bec4d6d6ec6190d8b32a (patch) | |
tree | def909428db5fb065933ebeff9668c3236cfa1a6 /glsa-202007-21.xml | |
parent | [ GLSA 202007-20 ] fuseiso: Multiple vulnerabilities (diff) | |
download | glsa-5b130c06212e593b5952bec4d6d6ec6190d8b32a.tar.gz glsa-5b130c06212e593b5952bec4d6d6ec6190d8b32a.tar.bz2 glsa-5b130c06212e593b5952bec4d6d6ec6190d8b32a.zip |
[ GLSA 202007-21 ] Libreswan: Denial of service
Signed-off-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'glsa-202007-21.xml')
-rw-r--r-- | glsa-202007-21.xml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/glsa-202007-21.xml b/glsa-202007-21.xml new file mode 100644 index 00000000..41a83f01 --- /dev/null +++ b/glsa-202007-21.xml @@ -0,0 +1,51 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="202007-21"> + <title>Libreswan: Denial of service</title> + <synopsis>A vulnerability in Libreswan could lead to a Denial of Service + condition. + </synopsis> + <product type="ebuild">libreswan</product> + <announced>2020-07-27</announced> + <revised count="1">2020-07-27</revised> + <bug>722696</bug> + <access>remote</access> + <affected> + <package name="net-vpn/libreswan" auto="yes" arch="*"> + <unaffected range="ge">3.32</unaffected> + <vulnerable range="lt">3.32</vulnerable> + </package> + </affected> + <background> + <p>Libreswan is a free software implementation of the most widely supported + and standarized VPN protocol based on (“IPsec”) and the Internet Key + Exchange (“IKE”). + </p> + </background> + <description> + <p>As a result of a bug in handling certain bogus encrypted IKEv1, while + building a log message that the packet has been dropped, a NULL pointer + dereference causes Libreswan to crash and restart when it attempts to log + the state name involved. + </p> + </description> + <impact type="normal"> + <p>An attacker could cause a possible Denial of Service condition.</p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All Libreswan users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-vpn/libreswan-3.32" + </code> + </resolution> + <references> + <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-1763">CVE-2020-1763</uri> + </references> + <metadata tag="requester" timestamp="2020-07-26T15:11:54Z">sam_c</metadata> + <metadata tag="submitter" timestamp="2020-07-27T00:05:28Z">sam_c</metadata> +</glsa> |