exploit the possibilities

Ubuntu Security Notice USN-4256-1

Ubuntu Security Notice USN-4256-1
Posted Jan 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4256-1 - It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-19906
MD5 | da2ac3b5c57fadeeb1b734bcfafb3e3c

Ubuntu Security Notice USN-4256-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4256-1
January 28, 2020

cyrus-sasl2 vulnerability
==========================================================================

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

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Cyrus SASL could be made to crash or execute arbitrary code if it received
a specially crafted LDAP packet.

Software Description:
- cyrus-sasl2: Cyrus Simple Authentication and Security Layer

Details:

It was discovered that Cyrus SASL incorrectly handled certain LDAP packets.
An attacker could possibly use this issue to execute arbitrary code or cause
a denial of service.

Update instructions:

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

Ubuntu 19.10:
libsasl2-2 2.1.27+dfsg-1ubuntu0.1

Ubuntu 18.04 LTS:
libsasl2-2 2.1.27~101-g0780600+dfsg-3ubuntu2.1

Ubuntu 16.04 LTS:
libsasl2-2 2.1.26.dfsg1-14ubuntu0.2

Ubuntu 14.04 ESM:
libsasl2-2 2.1.25.dfsg1-17ubuntu0.1~esm1

Ubuntu 12.04 ESM:
libsasl2-2 2.1.25.dfsg1-3ubuntu0.2

After a standard system update you need to restart services using
SASL to effect the necessary changes.

References:
https://usn.ubuntu.com/4256-1
CVE-2019-19906

Package Information:
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27~101-g0780600+dfsg-3ubuntu2.1
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.26.dfsg1-14ubuntu0.2

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

March 2020

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    2 Files
  • 2
    Mar 2nd
    18 Files
  • 3
    Mar 3rd
    15 Files
  • 4
    Mar 4th
    12 Files
  • 5
    Mar 5th
    19 Files
  • 6
    Mar 6th
    8 Files
  • 7
    Mar 7th
    1 Files
  • 8
    Mar 8th
    1 Files
  • 9
    Mar 9th
    11 Files
  • 10
    Mar 10th
    15 Files
  • 11
    Mar 11th
    9 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    13 Files
  • 14
    Mar 14th
    10 Files
  • 15
    Mar 15th
    13 Files
  • 16
    Mar 16th
    27 Files
  • 17
    Mar 17th
    15 Files
  • 18
    Mar 18th
    23 Files
  • 19
    Mar 19th
    25 Files
  • 20
    Mar 20th
    10 Files
  • 21
    Mar 21st
    6 Files
  • 22
    Mar 22nd
    1 Files
  • 23
    Mar 23rd
    22 Files
  • 24
    Mar 24th
    15 Files
  • 25
    Mar 25th
    22 Files
  • 26
    Mar 26th
    20 Files
  • 27
    Mar 27th
    15 Files
  • 28
    Mar 28th
    10 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2016 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close