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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:105947
[Rus]
Version
2
Class
patch
ALTXid
290574
Language
English
Severity
Critical
Title
DLA-1901-1 -- dovecot security update
Description
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.
Family
unix
Platform
Debian 8
Product
dovecot
Reference
VENDOR: DLA-1901-1
VENDOR: DLA-1901-1
Id:
DLA-1901-1
Reference:
https://lists.debian.org/debian-lts-announce/2019/debian-lts-announce-201908/msg00035.html
CVE: CVE-2019-11500
CVE: CVE-2019-11500
Id:
CVE-2019-11500
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11500
Comment
: In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
http://www.openwall.com/lists/oss-security/2019/08/28/3 (CONFIRM)
https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html (CONFIRM)
https://www.dovecot.org/security.html (MISC)
[debian-lts-announce] 20190829 [SECURITY] [DLA 1901-1] dovecot security update (MLIST)
GLSA-201908-29 (GENTOO)
RHSA-2019:2822 (REDHAT)
RHSA-2019:2836 (REDHAT)
RHSA-2019:2885 (REDHAT)
openSUSE-SU-2019:2281 (SUSE)
openSUSE-SU-2019:2278 (SUSE)
FEDORA-2019-3844281be1 ()
FEDORA-2019-59d60bd1fa ()
FEDORA-2019-ea638fb605 ()
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