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cloudfoundryCloud FoundryCFOUNDRY:618EDC5959D9448F0298624DD413FFCF
HistoryAug 04, 2017 - 12:00 a.m.

USN-3367-1: gdb vulnerabilities | Cloud Foundry

2017-08-0400:00:00
Cloud Foundry
www.cloudfoundry.org
37

EPSS

0.026

Percentile

90.3%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04

Description

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS. (CVE-2014-8501)

It was discovered that gdb incorrectly handled printing bad bytes in Intel Hex objects. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS. (CVE-2014-9939)

It was discovered that gdb incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2226)

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131)

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service. (CVE-2016-4491)

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH stemcells are vulnerable, including:
    • 3312.x versions prior to 3312.32
    • 3363.x versions prior to 3363.29
    • 3421.x versions prior to 3421.18
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs2 prior to 1.142.0

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

  • The Cloud Foundry project recommends upgrading the following BOSH stemcells:
    • Upgrade 3312.x versions prior to 3312.32
    • Upgrade 3363.x versions prior to 3363.29
    • Upgrade 3421.x versions prior to 3421.18
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.142.0 or later.

References