CAPEC |
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Subverting Environment Variable Values
The attacker directly or indirectly modifies environment variables used by or controlling the target software. The attacker's goal is to cause the target software to deviate from its expected operation in a manner that benefits the attacker.
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Footprinting
An attacker engages in probing and exploration activity to identify constituents and properties of the target. Footprinting is a general term to describe a variety of information gathering techniques, often used by attackers in preparation for some attack. It consists of using tools to learn as much as possible about the composition, configuration, and security mechanisms of the targeted application, system or network. Information that might be collected during a footprinting effort could include open ports, applications and their versions, network topology, and similar information. While footprinting is not intended to be damaging (although certain activities, such as network scans, can sometimes cause disruptions to vulnerable applications inadvertently) it may often pave the way for more damaging attacks.
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Exploiting Trust in Client (aka Make the Client Invisible)
An attack of this type exploits a programs' vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client.
An attacker executes this type of attack by placing themselves in the communication channel between client and server such that communication directly to the server is possible where the server believes it is communicating only with a valid client.
There are numerous variations of this type of attack.
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Browser Fingerprinting
An attacker carefully crafts small snippets of Java Script to efficiently detect the type of browser the potential victim is using. Many web-based attacks need prior knowledge of the web browser including the version of browser to ensure successful exploitation of a vulnerability. Having this knowledge allows an attacker to target the victim with attacks that specifically exploit known or zero day weaknesses in the type and version of the browser used by the victim. Automating this process via Java Script as a part of the same delivery system used to exploit the browser is considered more efficient as the attacker can supply a browser fingerprinting method and integrate it with exploit code, all contained in Java Script and in response to the same web page request by the browser.
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Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
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Reusing Session IDs (aka Session Replay)
This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.
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Using Slashes in Alternate Encoding
This attack targets the encoding of the Slash characters. An attacker would try to exploit common filtering problems related to the use of the slashes characters to gain access to resources on the target host. Directory-driven systems, such as file systems and databases, typically use the slash character to indicate traversal between directories or other container components. For murky historical reasons, PCs (and, as a result, Microsoft OSs) choose to use a backslash, whereas the UNIX world typically makes use of the forward slash. The schizophrenic result is that many MS-based systems are required to understand both forms of the slash. This gives the attacker many opportunities to discover and abuse a number of common filtering problems. The goal of this pattern is to discover server software that only applies filters to one version, but not the other.
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NASL family | Ubuntu Local Security Checks | NASL id | UBUNTU_USN-3435-2.NASL | description | USN-3435-1 fixed vulnerabilities in Firefox. The update caused the
Flash plugin to crash in some circumstances. This update fixes the
problem.
We apologize for the inconvenience.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain
sensitive information, bypass phishing and malware protection, spoof
the origin in modal dialogs, conduct cross-site scripting (XSS)
attacks, cause a denial of service via application crash, or execute
arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7811,
CVE-2017-7812, CVE-2017-7813, CVE-2017-7814, CVE-2017-7815,
CVE-2017-7818, CVE-2017-7819, CVE-2017-7820, CVE-2017-7822,
CVE-2017-7823, CVE-2017-7824)
Martin Thomson discovered that NSS incorrectly generated
handshake hashes. A remote attacker could potentially
exploit this to cause a denial of service via application
crash, or execute arbitrary code. (CVE-2017-7805)
Multiple security issues were discovered in WebExtensions.
If a user were tricked in to installing a specially crafted
extension, an attacker could potentially exploit these to
download and open non-executable files without interaction,
or obtain elevated privileges. (CVE-2017-7816,
CVE-2017-7821).
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues. | last seen | 2019-01-16 | modified | 2018-12-01 | plugin id | 103667 | published | 2017-10-05 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=103667 | title | Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : firefox regression (USN-3435-2) |
NASL family | FreeBSD Local Security Checks | NASL id | FREEBSD_PKG_1098A15BB0F642B7B5C78A8646E8BE07.NASL | description | Mozilla Foundation reports :
CVE-2017-7793: Use-after-free with Fetch API
CVE-2017-7817: Firefox for Android address bar spoofing through
fullscreen mode
CVE-2017-7818: Use-after-free during ARIA array manipulation
CVE-2017-7819: Use-after-free while resizing images in design mode
CVE-2017-7824: Buffer overflow when drawing and validating elements
with ANGLE
CVE-2017-7805: Use-after-free in TLS 1.2 generating handshake hashes
CVE-2017-7812: Drag and drop of malicious page content to the tab bar
can open locally stored files
CVE-2017-7814: Blob and data URLs bypass phishing and malware
protection warnings
CVE-2017-7813: Integer truncation in the JavaScript parser
CVE-2017-7825: OS X fonts render some Tibetan and Arabic unicode
characters as spaces
CVE-2017-7815: Spoofing attack with modal dialogs on non-e10s
installations
CVE-2017-7816: WebExtensions can load about: URLs in extension UI
CVE-2017-7821: WebExtensions can download and open non-executable
files without user interaction
CVE-2017-7823: CSP sandbox directive did not create a unique origin
CVE-2017-7822: WebCrypto allows AES-GCM with 0-length IV
CVE-2017-7820: Xray wrapper bypass with new tab and web console
CVE-2017-7811: Memory safety bugs fixed in Firefox 56
CVE-2017-7810: Memory safety bugs fixed in Firefox 56 and Firefox ESR
52.4 | last seen | 2019-01-16 | modified | 2018-11-10 | plugin id | 103556 | published | 2017-09-29 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=103556 | title | FreeBSD : mozilla -- multiple vulnerabilities (1098a15b-b0f6-42b7-b5c7-8a8646e8be07) |
NASL family | MacOS X Local Security Checks | NASL id | MACOSX_FIREFOX_56_0.NASL | description | The version of Mozilla Firefox installed on the remote macOS or Mac
OS X host is prior to 56. It is, therefore, affected by multiple
vulnerabilities, some of which allow code execution and potentially
exploitable application crashes. | last seen | 2019-01-16 | modified | 2018-07-14 | plugin id | 103678 | published | 2017-10-06 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=103678 | title | Mozilla Firefox < 56 Multiple Vulnerabilities (macOS) |
NASL family | Windows | NASL id | MOZILLA_FIREFOX_56_0.NASL | description | The version of Mozilla Firefox installed on the remote Windows host is
prior to 56. It is, therefore, affected by multiple vulnerabilities,
some of which allow code execution and potentially exploitable crashes. | last seen | 2019-01-16 | modified | 2018-07-16 | plugin id | 103680 | published | 2017-10-06 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=103680 | title | Mozilla Firefox < 56 Multiple Vulnerabilities |
NASL family | Ubuntu Local Security Checks | NASL id | UBUNTU_USN-3435-1.NASL | description | Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain
sensitive information, bypass phishing and malware protection, spoof
the origin in modal dialogs, conduct cross-site scripting (XSS)
attacks, cause a denial of service via application crash, or execute
arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7811,
CVE-2017-7812, CVE-2017-7813, CVE-2017-7814, CVE-2017-7815,
CVE-2017-7818, CVE-2017-7819, CVE-2017-7820, CVE-2017-7822,
CVE-2017-7823, CVE-2017-7824)
Martin Thomson discovered that NSS incorrectly generated handshake
hashes. A remote attacker could potentially exploit this to cause a
denial of service via application crash, or execute arbitrary code.
(CVE-2017-7805)
Multiple security issues were discovered in WebExtensions. If a user
were tricked in to installing a specially crafted extension, an
attacker could potentially exploit these to download and open
non-executable files without interaction, or obtain elevated
privileges. (CVE-2017-7816, CVE-2017-7821).
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues. | last seen | 2019-01-16 | modified | 2018-12-01 | plugin id | 103646 | published | 2017-10-03 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=103646 | title | Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : firefox vulnerabilities (USN-3435-1) |
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