Vulnerabilities
Misconfiguration
Runtime Security
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CVE Vulnerabilities

CVE-2016-1371

Improper Access Control

Published: Oct 03, 2016 | Modified: Oct 04, 2016
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-1371
CWEhttps://cwe.mitre.org/data/definitions/284.html

ClamAV (aka Clam AntiVirus) before 0.99.2 allows remote attackers to cause a denial of service (application crash) via a crafted mew packer executable.

Weakness

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected Software

Name Vendor Start Version End Version
Ubuntu_linux Canonical 12.04 (including) 12.04 (including)
Ubuntu_linux Canonical 14.04 (including) 14.04 (including)
Ubuntu_linux Canonical 16.04 (including) 16.04 (including)
Clamav Ubuntu devel *
Clamav Ubuntu precise *
Clamav Ubuntu trusty *
Clamav Ubuntu upstream *
Clamav Ubuntu wily *
Clamav Ubuntu xenial *

Extended Description

Access control involves the use of several protection mechanisms such as:

When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses:

Potential Mitigations

  • Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

References

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