exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Ubuntu Security Notice USN-3538-1

Ubuntu Security Notice USN-3538-1
Posted Jan 23, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3538-1 - Jann Horn discovered that OpenSSH incorrectly loaded PKCS#11 modules from untrusted directories. A remote attacker could possibly use this issue to execute arbitrary PKCS#11 modules. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. Jann Horn discovered that OpenSSH incorrectly handled permissions on Unix-domain sockets when privilege separation is disabled. A local attacker could possibly use this issue to gain privileges. This issue only affected Ubuntu 16.04 LTS. Various other issues were also addressed.

tags | advisory, remote, arbitrary, local
systems | linux, unix, ubuntu
advisories | CVE-2016-10009, CVE-2016-10010, CVE-2016-10011, CVE-2016-10012, CVE-2017-15906
SHA-256 | 964c48c0439d989a11cbdd7601e6770b0c099bed3a91031d5cd9afb0716a4b35

Ubuntu Security Notice USN-3538-1

Change Mirror Download

===========================================================================
Ubuntu Security Notice USN-3538-1
January 22, 2018

openssh vulnerabilities
===========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in OpenSSH.

Software Description:
- openssh: secure shell (SSH) for secure access to remote machines

Details:

Jann Horn discovered that OpenSSH incorrectly loaded PKCS#11 modules from
untrusted directories. A remote attacker could possibly use this issue to
execute arbitrary PKCS#11 modules. This issue only affected Ubuntu 14.04
LTS and Ubuntu 16.04 LTS. (CVE-2016-10009)

Jann Horn discovered that OpenSSH incorrectly handled permissions on
Unix-domain sockets when privilege separation is disabled. A local attacker
could possibly use this issue to gain privileges. This issue only affected
Ubuntu 16.04 LTS. (CVE-2016-10010)

Jann Horn discovered that OpenSSH incorrectly handled certain buffer memory
operations. A local attacker could possibly use this issue to obtain
sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu
16.04 LTS. (CVE-2016-10011)

Guido Vranken discovered that OpenSSH incorrectly handled certain shared
memory manager operations. A local attacker could possibly use issue to
gain privileges. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04
LTS. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-10012)

Michal Zalewski discovered that OpenSSH incorrectly prevented write
operations in readonly mode. A remote attacker could possibly use this
issue to create zero-length files, leading to a denial of service.
(CVE-2017-15906)

Update instructions:

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

Ubuntu 17.10:
openssh-server 1:7.5p1-10ubuntu0.1

Ubuntu 16.04 LTS:
openssh-server 1:7.2p2-4ubuntu2.4

Ubuntu 14.04 LTS:
openssh-server 1:6.6p1-2ubuntu2.10

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

References:
https://www.ubuntu.com/usn/usn-3538-1
CVE-2016-10009, CVE-2016-10010, CVE-2016-10011, CVE-2016-10012,
CVE-2017-15906

Package Information:
https://launchpad.net/ubuntu/+source/openssh/1:7.5p1-10ubuntu0.1
https://launchpad.net/ubuntu/+source/openssh/1:7.2p2-4ubuntu2.4
https://launchpad.net/ubuntu/+source/openssh/1:6.6p1-2ubuntu2.10



--h18bvwCirk2RgeV0bDBNluwsXgjv7KAHh--

Login or Register to add favorites

File Archive:

September 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Sep 1st
    261 Files
  • 2
    Sep 2nd
    17 Files
  • 3
    Sep 3rd
    38 Files
  • 4
    Sep 4th
    52 Files
  • 5
    Sep 5th
    0 Files
  • 6
    Sep 6th
    0 Files
  • 7
    Sep 7th
    0 Files
  • 8
    Sep 8th
    0 Files
  • 9
    Sep 9th
    0 Files
  • 10
    Sep 10th
    0 Files
  • 11
    Sep 11th
    0 Files
  • 12
    Sep 12th
    0 Files
  • 13
    Sep 13th
    0 Files
  • 14
    Sep 14th
    0 Files
  • 15
    Sep 15th
    0 Files
  • 16
    Sep 16th
    0 Files
  • 17
    Sep 17th
    0 Files
  • 18
    Sep 18th
    0 Files
  • 19
    Sep 19th
    0 Files
  • 20
    Sep 20th
    0 Files
  • 21
    Sep 21st
    0 Files
  • 22
    Sep 22nd
    0 Files
  • 23
    Sep 23rd
    0 Files
  • 24
    Sep 24th
    0 Files
  • 25
    Sep 25th
    0 Files
  • 26
    Sep 26th
    0 Files
  • 27
    Sep 27th
    0 Files
  • 28
    Sep 28th
    0 Files
  • 29
    Sep 29th
    0 Files
  • 30
    Sep 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2024 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close