събота, 7 юли 2018 г.

Weekly Update: a new vulnerability is published on the National Vulnerability Database (9 items)


New vulnerabilities from the NVD: CVE-2017-9312

Improperly implemented option-field processing in the TCP/IP stack on Allen-Bradley L30ERMS safety devices v30 and earlier causes a denial of service. When a crafted TCP packet is received, the device reboots immediately.
Published at: June 25, 2018 at 06:29PM
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June 25, 2018 at 07:59PM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-7656

In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), HTTP/0.9 is handled poorly. An HTTP/1 style request line (i.e. method space URI space version) that declares a version of HTTP/0.9 was accepted and treated as a 0.9 request. If deployed behind an intermediary that also accepted and passed through the 0.9 version (but did not act on it), then the response sent could be interpreted by the intermediary as HTTP/1 headers. This could be used to poison the cache if the server allowed the origin client to generate arbitrary content in the response.
Published at: June 26, 2018 at 06:29PM
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June 26, 2018 at 08:57PM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-7658

In Eclipse Jetty Server, versions 9.2.x and older, 9.3.x (all non HTTP/1.x configurations), and 9.4.x (all HTTP/1.x configurations), when presented with two content-lengths headers, Jetty ignored the second. When presented with a content-length and a chunked encoding header, the content-length was ignored (as per RFC 2616). If an intermediary decided on the shorter length, but still passed on the longer body, then body content could be interpreted by Jetty as a pipelined request. If the intermediary was imposing authorization, the fake pipelined request would bypass that authorization.
Published at: June 26, 2018 at 08:29PM
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June 26, 2018 at 10:57PM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-7657

In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), transfer-encoding chunks are handled poorly. The chunk length parsing was vulnerable to an integer overflow. Thus a large chunk size could be interpreted as a smaller chunk size and content sent as chunk body could be interpreted as a pipelined request. If Jetty was deployed behind an intermediary that imposed some authorization and that intermediary allowed arbitrarily large chunks to be passed on unchanged, then this flaw could be used to bypass the authorization imposed by the intermediary as the fake pipelined request would not be interpreted by the intermediary as a request.
Published at: June 26, 2018 at 07:29PM
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June 26, 2018 at 10:57PM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-18342

In PyYAML before 4.1, the yaml.load() API could execute arbitrary code. In other words, yaml.safe_load is not used.
Published at: June 27, 2018 at 03:29PM
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June 27, 2018 at 06:57PM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-7465

It was found that the JAXP implementation used in JBoss EAP 7.0 for XSLT processing is vulnerable to code injection. An attacker could use this flaw to cause remote code execution if they are able to provide XSLT content for parsing. Doing a transform in JAXP requires the use of a 'javax.xml.transform.TransformerFactory'. If the FEATURE_SECURE_PROCESSING feature is set to 'true', it mitigates this vulnerability.
Published at: June 27, 2018 at 07:29PM
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June 27, 2018 at 10:57PM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-16726

Beckhoff TwinCAT supports communication over ADS. ADS is a protocol for industrial automation in protected environments. ADS has not been designed to achieve security purposes and therefore does not include any encryption algorithms because of their negative effect on performance and throughput. An attacker can forge arbirtrary ADS packets when legitimate ADS traffic is observable.
Published at: June 27, 2018 at 10:29PM
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June 28, 2018 at 12:57AM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-16718

Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. This protocol uses user configured routes, that can be edited remotely via ADS. This special command supports encrypted authentication with username/password. The encryption uses a fixed key, that could be extracted by an attacker. Precondition of the exploitation of this weakness is network access at the moment a route is added.
Published at: June 27, 2018 at 10:29PM
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June 28, 2018 at 12:57AM

via National Vulnerability Database


New vulnerabilities from the NVD: CVE-2017-16859

The review attachment resource in Atlassian Fisheye and Crucible before version 4.3.2, from version 4.4.0 before 4.4.3 and before version 4.5.0 allows remote attackers to read files contained within context path of the running application through a path traversal vulnerability in the command parameter.
Published at: June 28, 2018 at 05:29PM
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June 28, 2018 at 08:57PM

via National Vulnerability Database


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