5.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.317 Low
EPSS
Percentile
97.0%
Debian Security Advisory DSA-4130-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
March 02, 2018 https://www.debian.org/security/faq
Package : dovecot
CVE ID : CVE-2017-14461 CVE-2017-15130 CVE-2017-15132
Debian Bug : 888432 891819 891820
Several vulnerabilities have been discovered in the Dovecot email
server. The Common Vulnerabilities and Exposures project identifies the
following issues:
CVE-2017-14461
Aleksandar Nikolic of Cisco Talos and 'flxflndy' discovered that
Dovecot does not properly parse invalid email addresses, which may
cause a crash or leak memory contents to an attacker.
CVE-2017-15130
It was discovered that TLS SNI config lookups may lead to excessive
memory usage, causing imap-login/pop3-login VSZ limit to be reached
and the process restarted, resulting in a denial of service. Only
Dovecot configurations containing local_name { } or local { }
configuration blocks are affected.
CVE-2017-15132
It was discovered that Dovecot contains a memory leak flaw in the
login process on aborted SASL authentication.
For the oldstable distribution (jessie), these problems have been fixed
in version 1:2.2.13-12~deb8u4.
For the stable distribution (stretch), these problems have been fixed in
version 1:2.2.27-3+deb9u2.
We recommend that you upgrade your dovecot packages.
For the detailed security status of dovecot please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/dovecot
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 8 | mips | dovecot-core | < 1:2.2.13-12~deb8u4 | dovecot-core_1:2.2.13-12~deb8u4_mips.deb |
Debian | 8 | armhf | dovecot-pgsql | < 1:2.2.13-12~deb8u4 | dovecot-pgsql_1:2.2.13-12~deb8u4_armhf.deb |
Debian | 8 | arm64 | dovecot-dbg | < 1:2.2.13-12~deb8u4 | dovecot-dbg_1:2.2.13-12~deb8u4_arm64.deb |
Debian | 9 | ppc64el | dovecot-gssapi | < 1:2.2.27-3+deb9u2 | dovecot-gssapi_1:2.2.27-3+deb9u2_ppc64el.deb |
Debian | 9 | armel | dovecot-sieve | < 1:2.2.27-3+deb9u2 | dovecot-sieve_1:2.2.27-3+deb9u2_armel.deb |
Debian | 8 | powerpc | dovecot-sieve | < 1:2.2.13-12~deb8u4 | dovecot-sieve_1:2.2.13-12~deb8u4_powerpc.deb |
Debian | 9 | armel | dovecot-gssapi | < 1:2.2.27-3+deb9u2 | dovecot-gssapi_1:2.2.27-3+deb9u2_armel.deb |
Debian | 8 | s390x | dovecot-gssapi | < 1:2.2.13-12~deb8u4 | dovecot-gssapi_1:2.2.13-12~deb8u4_s390x.deb |
Debian | 8 | s390x | dovecot-lucene | < 1:2.2.13-12~deb8u4 | dovecot-lucene_1:2.2.13-12~deb8u4_s390x.deb |
Debian | 9 | i386 | dovecot-pgsql | < 1:2.2.27-3+deb9u2 | dovecot-pgsql_1:2.2.27-3+deb9u2_i386.deb |
5.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.317 Low
EPSS
Percentile
97.0%