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Sigurnosni nedostatak programskog paketa exim4

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LUB

==========================================================================
Ubuntu Security Notice USN-4075-1
July 25, 2019

exim4 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 19.04
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Exim could be made to run programs as an administrator if it received
specially crafted network traffic.

Software Description:
– exim4: Exim is a mail transport agent

Details:

Jeremy Harris discovered that Exim incorrectly handled sort expansions. In
environments where sort expansions are used, a remote attacker could
possibly use this issue to execute arbitrary code as root.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
exim4-daemon-heavy 4.92-4ubuntu1.2
exim4-daemon-light 4.92-4ubuntu1.2

Ubuntu 18.04 LTS:
exim4-daemon-heavy 4.90.1-1ubuntu1.3
exim4-daemon-light 4.90.1-1ubuntu1.3

Ubuntu 16.04 LTS:
exim4-daemon-heavy 4.86.2-2ubuntu2.4
exim4-daemon-light 4.86.2-2ubuntu2.4

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4075-1
CVE-2019-13917

Package Information:
https://launchpad.net/ubuntu/+source/exim4/4.92-4ubuntu1.2
https://launchpad.net/ubuntu/+source/exim4/4.90.1-1ubuntu1.3
https://launchpad.net/ubuntu/+source/exim4/4.86.2-2ubuntu2.4

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AutorZvonimir Bosnjak
Cert idNCERT-REF-2019-07-0001-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
IzvorAdobe
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