Test ID:	1.3.6.1.4.1.25623.1.0.704745
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-4745-1)
Summary:	The remote host is missing an update for the Debian 'dovecot' package(s) announced via the DSA-4745-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'dovecot' package(s) announced via the DSA-4745-1 advisory. Vulnerability Insight: Several vulnerabilities have been discovered in the Dovecot email server. CVE-2020-12100 Receiving mail with deeply nested MIME parts leads to resource exhaustion as Dovecot attempts to parse it. CVE-2020-12673 Dovecot's NTLM implementation does not correctly check message buffer size, which leads to a crash when reading past allocation. CVE-2020-12674 Dovecot's RPA mechanism implementation accepts zero-length message, which leads to assert-crash later on. For the stable distribution (buster), these problems have been fixed in version 1:2.3.4.1-5+deb10u3. We recommend that you upgrade your dovecot packages. For the detailed security status of dovecot please refer to its security tracker page at: [link moved to references] Affected Software/OS: 'dovecot' package(s) on Debian 10. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-12100 Debian Security Information: DSA-4745 (Google Search) https://www.debian.org/security/2020/dsa-4745 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/ http://seclists.org/fulldisclosure/2021/Jan/18 https://security.gentoo.org/glsa/202009-02 https://dovecot.org/security https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html http://www.openwall.com/lists/oss-security/2020/08/12/1 http://www.openwall.com/lists/oss-security/2021/01/04/3 https://usn.ubuntu.com/4456-1/ https://usn.ubuntu.com/4456-2/ Common Vulnerability Exposure (CVE) ID: CVE-2020-12673 SuSE Security Announcement: openSUSE-SU-2020:1241 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html SuSE Security Announcement: openSUSE-SU-2020:1262 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html Common Vulnerability Exposure (CVE) ID: CVE-2020-12674
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