OpenStack Compute (Nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) do not properly apply security group changes, which allows remote attackers to bypass intended restriction by leveraging an instance that was running when the change was made.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - OpenStack Compute (Nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) do not properly apply
    security group changes, which allows remote attackers to bypass intended restriction by leveraging an
    instance that was running when the change was made. (CVE-2015-7713)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3449-1 advisory.

    George Shuklin discovered that OpenStack Nova incorrectly handled the migration process. A remote     authenticated user could use this issue to consume resources, resulting in a denial of service.
    (CVE-2015-3241)

    George Shuklin and Tushar Patil discovered that OpenStack Nova incorrectly handled deleting instances. A     remote authenticated user could use this issue to consume disk resources, resulting in a denial of     service. (CVE-2015-3280)

    It was discovered that OpenStack Nova incorrectly limited qemu-img calls. A remote authenticated user     could use this issue to consume resources, resulting in a denial of service. (CVE-2015-5162)

    Matthew Booth discovered that OpenStack Nova incorrectly handled snapshots. A remote authenticated user     could use this issue to read arbitrary files. (CVE-2015-7548)

    Sreekumar S. and Suntao discovered that OpenStack Nova incorrectly applied security group changes. A     remote attacker could possibly use this issue to bypass intended restriction changes by leveraging an     instance that was running when the change was made. (CVE-2015-7713)

    Matt Riedemann discovered that OpenStack Nova incorrectly handled logging. A local attacker could possibly     use this issue to obtain sensitive information from log files. (CVE-2015-8749)

    Matthew Booth discovered that OpenStack Nova incorrectly handled certain qcow2 headers. A remote     authenticated user could possibly use this issue to read arbitrary files. (CVE-2016-2140)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
411288	SCA: security update for nova (GHSA-67rh-9p29-vrxr)	Tenable Cloud Security	SCA Checks	high
411288	SCA: security update for nova (GHSA-67rh-9p29-vrxr)	Tenable Self-Hosted Container Security	SCA Checks	high
103812	Ubuntu 14.04 LTS : OpenStack Nova vulnerabilities (USN-3449-1)	Nessus	Ubuntu Local Security Checks	medium

Detections

Analytics

CVE-2015-7713

high

Tenable Plugins

high

high

medium