CVE Vulnerabilities

CVE-2013-6656

Exposure of Sensitive Information to an Unauthorized Actor

Published: Feb 24, 2014 | Modified: Apr 01, 2014
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

The XSSAuditor::init function in core/html/parser/XSSAuditor.cpp in the XSS auditor in Blink, as used in Google Chrome before 33.0.1750.117, processes POST requests by using the body of a redirecting page instead of the body of a redirect target, which allows remote attackers to obtain sensitive information via unspecified vectors.

Weakness

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Software

Name Vendor Start Version End Version
Chrome Google 33.0.1750.1 33.0.1750.1
Chrome Google 33.0.1750.89 33.0.1750.89
Chrome Google 33.0.1750.51 33.0.1750.51
Chrome Google 33.0.1750.44 33.0.1750.44
Chrome Google 33.0.1750.39 33.0.1750.39
Chrome Google 33.0.1750.73 33.0.1750.73
Chrome Google 33.0.1750.70 33.0.1750.70
Chrome Google 33.0.1750.22 33.0.1750.22
Chrome Google 33.0.1750.41 33.0.1750.41
Chrome Google 33.0.1750.66 33.0.1750.66
Chrome Google 33.0.1750.12 33.0.1750.12
Chrome Google 33.0.1750.92 33.0.1750.92
Chrome Google 33.0.1750.16 33.0.1750.16
Chrome Google 33.0.1750.65 33.0.1750.65
Chrome Google 33.0.1750.46 33.0.1750.46
Chrome Google 33.0.1750.85 33.0.1750.85
Chrome Google 33.0.1750.79 33.0.1750.79
Chrome Google 33.0.1750.106 33.0.1750.106
Chrome Google 33.0.1750.52 33.0.1750.52
Chrome Google 33.0.1750.38 33.0.1750.38
Chrome Google 33.0.1750.88 33.0.1750.88
Chrome Google 33.0.1750.93 33.0.1750.93
Chrome Google 33.0.1750.110 33.0.1750.110
Chrome Google 33.0.1750.11 33.0.1750.11
Chrome Google 33.0.1750.104 33.0.1750.104
Chrome Google 33.0.1750.61 33.0.1750.61
Chrome Google 33.0.1750.0 33.0.1750.0
Chrome Google 33.0.1750.34 33.0.1750.34
Chrome Google 33.0.1750.31 33.0.1750.31
Chrome Google 33.0.1750.36 33.0.1750.36
Chrome Google 33.0.1750.23 33.0.1750.23
Chrome Google 33.0.1750.112 33.0.1750.112
Chrome Google 33.0.1750.47 33.0.1750.47
Chrome Google 33.0.1750.9 33.0.1750.9
Chrome Google 33.0.1750.28 33.0.1750.28
Chrome Google 33.0.1750.69 33.0.1750.69
Chrome Google 33.0.1750.55 33.0.1750.55
Chrome Google 33.0.1750.109 33.0.1750.109
Chrome Google 33.0.1750.10 33.0.1750.10
Chrome Google 33.0.1750.81 33.0.1750.81
Chrome Google 33.0.1750.49 33.0.1750.49
Chrome Google 33.0.1750.57 33.0.1750.57
Chrome Google 33.0.1750.71 33.0.1750.71
Chrome Google 33.0.1750.45 33.0.1750.45
Chrome Google 33.0.1750.115 33.0.1750.115
Chrome Google 33.0.1750.108 33.0.1750.108
Chrome Google 33.0.1750.5 33.0.1750.5
Chrome Google 33.0.1750.40 33.0.1750.40
Chrome Google 33.0.1750.29 33.0.1750.29
Chrome Google 33.0.1750.76 33.0.1750.76
Chrome Google 33.0.1750.13 33.0.1750.13
Chrome Google 33.0.1750.58 33.0.1750.58
Chrome Google 33.0.1750.75 33.0.1750.75
Chrome Google 33.0.1750.63 33.0.1750.63
Chrome Google 33.0.1750.6 33.0.1750.6
Chrome Google 33.0.1750.20 33.0.1750.20
Chrome Google 33.0.1750.59 33.0.1750.59
Chrome Google 33.0.1750.3 33.0.1750.3
Chrome Google 33.0.1750.25 33.0.1750.25
Chrome Google 33.0.1750.82 33.0.1750.82
Chrome Google 33.0.1750.64 33.0.1750.64
Chrome Google 33.0.1750.113 33.0.1750.113
Chrome Google 33.0.1750.50 33.0.1750.50
Chrome Google * 33.0.1750.116
Chrome Google 33.0.1750.60 33.0.1750.60
Chrome Google 33.0.1750.26 33.0.1750.26
Chrome Google 33.0.1750.19 33.0.1750.19
Chrome Google 33.0.1750.18 33.0.1750.18
Chrome Google 33.0.1750.8 33.0.1750.8
Chrome Google 33.0.1750.42 33.0.1750.42
Chrome Google 33.0.1750.7 33.0.1750.7
Chrome Google 33.0.1750.21 33.0.1750.21
Chrome Google 33.0.1750.80 33.0.1750.80
Chrome Google 33.0.1750.68 33.0.1750.68
Chrome Google 33.0.1750.90 33.0.1750.90
Chrome Google 33.0.1750.77 33.0.1750.77
Chrome Google 33.0.1750.111 33.0.1750.111
Chrome Google 33.0.1750.35 33.0.1750.35
Chrome Google 33.0.1750.43 33.0.1750.43
Chrome Google 33.0.1750.27 33.0.1750.27
Chrome Google 33.0.1750.4 33.0.1750.4
Chrome Google 33.0.1750.48 33.0.1750.48
Chrome Google 33.0.1750.15 33.0.1750.15
Chrome Google 33.0.1750.56 33.0.1750.56
Chrome Google 33.0.1750.24 33.0.1750.24
Chrome Google 33.0.1750.30 33.0.1750.30
Chrome Google 33.0.1750.67 33.0.1750.67
Chrome Google 33.0.1750.107 33.0.1750.107
Chrome Google 33.0.1750.2 33.0.1750.2
Chrome Google 33.0.1750.14 33.0.1750.14
Chrome Google 33.0.1750.74 33.0.1750.74
Chrome Google 33.0.1750.62 33.0.1750.62
Chrome Google 33.0.1750.91 33.0.1750.91
Chrome Google 33.0.1750.83 33.0.1750.83
Chrome Google 33.0.1750.53 33.0.1750.53
Chrome Google 33.0.1750.37 33.0.1750.37
Chrome Google 33.0.1750.54 33.0.1750.54

Extended Description

There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:

Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:

Information exposures can occur in different ways:

It is common practice to describe any loss of confidentiality as an “information exposure,” but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.

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