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| author |   Thomas Deutschmann <whissi@gentoo.org> | 2020-12-07 01:30:32 +0100 |
|---|---|---|
| committer | Thomas Deutschmann <whissi@gentoo.org> | 2020-12-07 01:30:32 +0100 |
| commit | 5bc7b795954be87a376928cd82038c7a737d6b6f (patch) | |
| tree | b8695b1f2eff9b1e5eb6256a7872085081e2ceb3 /glsa-202012-06.xml | |
| parent | [ GLSA 202012-05 ] Chromium, Google Chrome: Multiple vulnerabilities (diff) | |
| download | glsa-5bc7b795954be87a376928cd82038c7a737d6b6f.tar.gz glsa-5bc7b795954be87a376928cd82038c7a737d6b6f.tar.bz2 glsa-5bc7b795954be87a376928cd82038c7a737d6b6f.zip | |
[ GLSA 202012-06 ] Linux-PAM: Authentication bypass
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
Diffstat (limited to 'glsa-202012-06.xml')
| -rw-r--r-- | glsa-202012-06.xml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/glsa-202012-06.xml b/glsa-202012-06.xml new file mode 100644 index 00000000..daa51d14 --- /dev/null +++ b/glsa-202012-06.xml @@ -0,0 +1,52 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="202012-06"> + <title>Linux-PAM: Authentication bypass</title> + <synopsis>A vulnerability has been found in Linux-PAM, allowing attackers to + bypass the authentication process. + </synopsis> + <product type="ebuild">pam</product> + <announced>2020-12-07</announced> + <revised count="1">2020-12-07</revised> + <bug>756361</bug> + <access>local, remote</access> + <affected> + <package name="sys-libs/pam" auto="yes" arch="*"> + <unaffected range="ge">1.5.1</unaffected> + <vulnerable range="lt">1.5.1</vulnerable> + </package> + </affected> + <background> + <p>Linux-PAM (Pluggable Authentication Modules) is an architecture allowing + the separation of the development of privilege granting software from the + development of secure and appropriate authentication schemes. + </p> + </background> + <description> + <p>A flaw was found in Linux-Pam in the way it handle empty passwords for + non-existing users. + </p> + </description> + <impact type="normal"> + <p>A remote attacker, who only needs to know a non-existing username, could + bypass security restrictions and authenticate as root user. + </p> + </impact> + <workaround> + <p>Ensure that root account is protected by a non-empty password.</p> + </workaround> + <resolution> + <p>All Linux-PAM users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=sys-libs/pam-1.5.1" + </code> + + </resolution> + <references> + <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-27780">CVE-2020-27780</uri> + </references> + <metadata tag="requester" timestamp="2020-11-26T02:08:08Z">sam_c</metadata> + <metadata tag="submitter" timestamp="2020-12-07T00:19:35Z">whissi</metadata> +</glsa> |