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Sigurnosni nedostaci programske biblioteke libvncserver

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

==========================================================================
Ubuntu Security Notice USN-3877-1
January 31, 2019

libvncserver vulnerabilities
==========================================================================

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

– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in LibVNCServer.

Software Description:
– libvncserver: vnc server library

Details:

It was discovered that LibVNCServer incorrectly handled certain operations.
A remote attacker able to connect to applications using LibVNCServer could
possibly use this issue to obtain sensitive information, cause a denial of
service, or execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
libvncclient1 0.9.11+dfsg-1.1ubuntu0.1
libvncserver1 0.9.11+dfsg-1.1ubuntu0.1

Ubuntu 18.04 LTS:
libvncclient1 0.9.11+dfsg-1ubuntu1.1
libvncserver1 0.9.11+dfsg-1ubuntu1.1

Ubuntu 16.04 LTS:
libvncclient1 0.9.10+dfsg-3ubuntu0.16.04.3
libvncserver1 0.9.10+dfsg-3ubuntu0.16.04.3

Ubuntu 14.04 LTS:
libvncserver0 0.9.9+dfsg-1ubuntu1.4

After a standard system update you need to restart LibVNCServer
applications to make all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3877-1
CVE-2018-15126, CVE-2018-15127, CVE-2018-20019, CVE-2018-20020,
CVE-2018-20021, CVE-2018-20022, CVE-2018-20023, CVE-2018-20024,
CVE-2018-20748, CVE-2018-20749, CVE-2018-20750, CVE-2018-6307

Package Information:
https://launchpad.net/ubuntu/+source/libvncserver/0.9.11+dfsg-1.1ubuntu0.1
https://launchpad.net/ubuntu/+source/libvncserver/0.9.11+dfsg-1ubuntu1.1
https://launchpad.net/ubuntu/+source/libvncserver/0.9.10+dfsg-3ubuntu0.16.04.3
https://launchpad.net/ubuntu/+source/libvncserver/0.9.9+dfsg-1ubuntu1.4

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AutorJosip Papratovic
Cert idNCERT-REF-2019-02-0001-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
IzvorAdobe
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