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Test ID:1.3.6.1.4.1.25623.1.0.704510
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DSA-4510-1)
Summary:The remote host is missing an update for the Debian 'dovecot' package(s) announced via the DSA-4510-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'dovecot' package(s) announced via the DSA-4510-1 advisory.

Vulnerability Insight:
Nick Roessler and Rafi Rubin discovered that the IMAP and ManageSieve protocol parsers in the Dovecot email server do not properly validate input (both pre- and post-login). A remote attacker can take advantage of this flaw to trigger out of bounds heap memory writes, leading to information leaks or potentially the execution of arbitrary code.

For the oldstable distribution (stretch), this problem has been fixed in version 1:2.2.27-3+deb9u5.

For the stable distribution (buster), this problem has been fixed in version 1:2.3.4.1-5+deb10u1.

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 9, Debian 10.

Solution:
Please install the updated package(s).

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-11500
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/
https://security.gentoo.org/glsa/201908-29
https://www.dovecot.org/security.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html
RedHat Security Advisories: RHSA-2019:2822
https://access.redhat.com/errata/RHSA-2019:2822
RedHat Security Advisories: RHSA-2019:2836
https://access.redhat.com/errata/RHSA-2019:2836
RedHat Security Advisories: RHSA-2019:2885
https://access.redhat.com/errata/RHSA-2019:2885
SuSE Security Announcement: openSUSE-SU-2019:2278 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
SuSE Security Announcement: openSUSE-SU-2019:2281 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
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