Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2016-4592

Uncontrolled Resource Consumption

Published: Jul 22, 2016 | Modified: Apr 12, 2025
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
7.1 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-4592
CWEhttps://cwe.mitre.org/data/definitions/400.html

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted web site.

Weakness

The product does not properly control the allocation and maintenance of a limited resource.

Affected Software

NameVendorStart VersionEnd Version
WebkitApple- (including)- (including)
Qtwebkit-opensource-srcUbuntudevel*
Qtwebkit-opensource-srcUbuntuesm-infra/xenial*
Qtwebkit-opensource-srcUbuntutrusty*
Qtwebkit-opensource-srcUbuntuwily*
Qtwebkit-opensource-srcUbuntuxenial*
Qtwebkit-opensource-srcUbuntuyakkety*
Qtwebkit-sourceUbuntudevel*
Qtwebkit-sourceUbuntuesm-apps/xenial*
Qtwebkit-sourceUbuntuprecise*
Qtwebkit-sourceUbuntutrusty*
Qtwebkit-sourceUbuntuwily*
Qtwebkit-sourceUbuntuxenial*
Qtwebkit-sourceUbuntuyakkety*
WebkitUbuntuprecise*
Webkit2gtkUbuntuupstream*
Webkit2gtkUbuntuwily*
WebkitgtkUbuntudevel*
WebkitgtkUbuntuesm-apps/xenial*
WebkitgtkUbuntutrusty*
WebkitgtkUbuntuwily*
WebkitgtkUbuntuxenial*
WebkitgtkUbuntuyakkety*

Potential Mitigations

  • Mitigation of resource exhaustion attacks requires that the target system either:

  • The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.

  • The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.

References

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