what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Ubuntu Security Notice USN-3424-1

Ubuntu Security Notice USN-3424-1
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3424-1 - It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. It was discovered that libxml2 did not properly validate parsed entity references. An attacker could use this to specially construct XML data that could expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-0663, CVE-2017-7375, CVE-2017-7376, CVE-2017-9047, CVE-2017-9048, CVE-2017-9049, CVE-2017-9050
SHA-256 | a5303f8530af68ac27eded66713bd807b2b44981490a742e52cf5b57786807cd

Ubuntu Security Notice USN-3424-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3424-1
September 19, 2017

libxml2 vulnerabilities
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libxml2.

Software Description:
- libxml2: GNOME XML library

Details:

It was discovered that a type confusion error existed in libxml2. An
attacker could use this to specially construct XML data that
could cause a denial of service or possibly execute arbitrary
code. (CVE-2017-0663)

It was discovered that libxml2 did not properly validate parsed entity
references. An attacker could use this to specially construct XML
data that could expose sensitive information. (CVE-2017-7375)

It was discovered that a buffer overflow existed in libxml2 when
handling HTTP redirects. An attacker could use this to specially
construct XML data that could cause a denial of service or possibly
execute arbitrary code. (CVE-2017-7376)

Marcel Bohme and Van-Thuan Pham discovered a buffer overflow in
libxml2 when handling elements. An attacker could use this to specially
construct XML data that could cause a denial of service or possibly
execute arbitrary code. (CVE-2017-9047)

Marcel Bohme and Van-Thuan Pham discovered a buffer overread
in libxml2 when handling elements. An attacker could use this
to specially construct XML data that could cause a denial of
service. (CVE-2017-9048)

Marcel Bohme and Van-Thuan Pham discovered multiple buffer overreads
in libxml2 when handling parameter-entity references. An attacker
could use these to specially construct XML data that could cause a
denial of service. (CVE-2017-9049, CVE-2017-9050)

Update instructions:

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

Ubuntu 17.04:
libxml2 2.9.4+dfsg1-2.2ubuntu0.1

Ubuntu 16.04 LTS:
libxml2 2.9.3+dfsg1-1ubuntu0.3

Ubuntu 14.04 LTS:
libxml2 2.9.1+dfsg1-3ubuntu4.10

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

References:
https://www.ubuntu.com/usn/usn-3424-1
CVE-2017-0663, CVE-2017-7375, CVE-2017-7376, CVE-2017-9047,
CVE-2017-9048, CVE-2017-9049, CVE-2017-9050

Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-2.2ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.3
https://launchpad.net/ubuntu/+source/libxml2/2.9.1+dfsg1-3ubuntu4.10

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
    23 Files
  • 6
    Sep 6th
    27 Files
  • 7
    Sep 7th
    0 Files
  • 8
    Sep 8th
    1 Files
  • 9
    Sep 9th
    16 Files
  • 10
    Sep 10th
    38 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