All Vulnerability Reports

USN-3758-1: libx11 vulnerabilities


Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected
  • Canonical Ubuntu 14.04
  • Canonical Ubuntu 18.04
Description

Tobias Stoeckmann discovered that libx11 incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information (CVE-2016-7942)

Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. (CVE-2016-7943)

It was discovered that libx11 incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)

CVEs contained in this USN include: CVE-2016-7942, CVE-2016-7943, CVE-2018-14598, CVE-2018-14599, CVE-2018-14600

Affected Pivotal Products and Versions

Severity is medium unless otherwise noted.

  • Vulnerable Cloud Foundry components individually listed here.
  • Pivotal Application Service includes vulnerable container rootfs in the following releases:
    • 2.2.x versions prior to 2.2.5
    • 2.1.x versions prior to 2.1.13
    • 2.0.x versions prior to 2.0.21
  • PCF Isolation Segment includes vulnerable container rootfs in the following releases:
    • 2.2.x versions prior to 2.2.5
    • 2.1.x versions prior to 2.1.11
    • 2.0.x versions prior to 2.0.17
  • Pivotal Operations Manager is vulnerable in the following releases:
    • 2.1.x versions prior to 2.1.14
    • 2.2.x versions prior to 2.2.5
    • 2.0.x versions prior to 2.0.24
Mitigation

Users of affected versions should apply the following mitigation:

  • The Cloud Foundry security team recommends upgrading BOSH stemcells and/or other OSS components listed here if applicable.
  • Upgrade Pivotal products that use earlier versions of CF components to new Pivotal releases using new versions linked above. On the Pivotal Network product page for each release, check the Depends On section and/or Release Notes for this information.
  • Releases that have fixed this issue include:
    • Pivotal Application Service: 2.3.0, 2.2.5, 2.1.13, 2.0.21
    • PCF Isolation Segment: 2.3.0, 2.2.5, 2.1.11, 2.0.17
    • Pivotal Operations Manager: 2.2.5, 2.1.14, 2.0.24
References