[security-announce] openSUSE-SU-2016:0721-1: important: Security update for exim

[news 28]

openSUSE Security Update: Security update for exim

______________________________________________________________________________

 

Announcement ID: openSUSE-SU-2016:0721-1

Rating: important

References: #968844

Cross-References: CVE-2016-1531

Affected Products:

openSUSE Leap 42.1

openSUSE 13.2

______________________________________________________________________________

 

An update that fixes one vulnerability is now available.

 

Description:

 

This update to exim 4.86.2 fixes the following issues:

 

* CVE-2016-1531: local privilege escalation for set-uid root exim when

using 'perl_startup' (boo#968844)

 

Important: Exim now cleans the complete execution environment by default.

This affects Exim and subprocesses such as transports calling other

programs. The following new options are supported to adjust this behaviour:

* keep_environment

* add_environment A warning will be printed upon startup if none of these

are configured.

 

Also includes upstream changes, improvements and bug fixes:

* Support for using the system standard CA bundle.

* New expansion items $config_file, $config_dir, containing the file and

directory name of the main configuration file. Also $exim_version.

* New "malware=" support for Avast.

* New "spam=" variant option for Rspamd.

* Assorted options on malware= and spam= scanners.

* A commandline option to write a comment into the logfile.

* A logging option for slow DNS lookups.

* New ${env {}} expansion.

* A non-SMTP authenticator using information from TLS client

certificates.

* Main option "tls_eccurve" for selecting an Elliptic Curve for TLS.

* Main option "dns_trust_aa" for trusting your local nameserver at the

same level as DNSSEC.

 

 

Patch Instructions:

 

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

 

- openSUSE Leap 42.1:

 

zypper in -t patch openSUSE-2016-326=1

 

- openSUSE 13.2:

 

zypper in -t patch openSUSE-2016-326=1

 

To bring your system up-to-date, use "zypper patch".

 

 

Package List:

 

- openSUSE Leap 42.1 (i586 x86_64):

 

exim-4.86.2-8.1

exim-debuginfo-4.86.2-8.1

exim-debugsource-4.86.2-8.1

eximon-4.86.2-8.1

eximon-debuginfo-4.86.2-8.1

eximstats-html-4.86.2-8.1

 

- openSUSE 13.2 (i586 x86_64):

 

exim-4.86.2-3.10.1

exim-debuginfo-4.86.2-3.10.1

exim-debugsource-4.86.2-3.10.1

eximon-4.86.2-3.10.1

eximon-debuginfo-4.86.2-3.10.1

eximstats-html-4.86.2-3.10.1

 

 

References:

 

https://www.suse.com/security/cve/CVE-2016-1531.html

https://bugzilla.suse.com/968844

 

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