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| author |   Thomas Deutschmann <whissi@gentoo.org> | 2021-05-26 09:53:46 +0200 |
|---|---|---|
| committer | Thomas Deutschmann <whissi@gentoo.org> | 2021-05-26 09:53:46 +0200 |
| commit | cda402d90c37fe55ed17f0007fe5c009b020c205 (patch) | |
| tree | 9053c60a31d4d8b5f874dd4af8871f9ef0a283fe /glsa-202105-02.xml | |
| parent | [ GLSA 202105-01 ] Exim: Multiple vulnerabilities (diff) | |
| download | glsa-cda402d90c37fe55ed17f0007fe5c009b020c205.tar.gz glsa-cda402d90c37fe55ed17f0007fe5c009b020c205.tar.bz2 glsa-cda402d90c37fe55ed17f0007fe5c009b020c205.zip | |
[ GLSA 202105-02 ] stunnel: Improper certificate validation
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
Diffstat (limited to 'glsa-202105-02.xml')
| -rw-r--r-- | glsa-202105-02.xml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/glsa-202105-02.xml b/glsa-202105-02.xml new file mode 100644 index 00000000..6033d073 --- /dev/null +++ b/glsa-202105-02.xml @@ -0,0 +1,51 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="202105-02"> + <title>stunnel: Improper certificate validation</title> + <synopsis>Stunnel was not properly verifying TLS certificates, possibly + allowing an integrity/confidentiality compromise. + </synopsis> + <product type="ebuild">stunnel</product> + <announced>2021-05-26</announced> + <revised count="1">2021-05-26</revised> + <bug>772146</bug> + <access>local, remote</access> + <affected> + <package name="net-misc/stunnel" auto="yes" arch="*"> + <unaffected range="ge">5.58</unaffected> + <vulnerable range="lt">5.58</vulnerable> + </package> + </affected> + <background> + <p>The stunnel program is designed to work as an SSL/TLS encryption wrapper + between a client and a local or remote server. + </p> + </background> + <description> + <p>It was discovered that stunnel did not correctly verified the client + certificate when options “redirect” and “verifyChain” are used. + </p> + </description> + <impact type="low"> + <p>A remote attacker could send a specially crafted certificate, possibly + resulting in a breach of integrity or confidentiality. + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All stunnel users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/stunnel-5.58" + </code> + + </resolution> + <references> + <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-20230">CVE-2021-20230</uri> + </references> + <metadata tag="requester" timestamp="2021-05-25T22:51:07Z">whissi</metadata> + <metadata tag="submitter" timestamp="2021-05-26T07:44:01Z">whissi</metadata> +</glsa> |