The vulnerability can be exploited reliably without using javascript. Does a buffer overflow vulnerability always mean a code execution vulnerability. Mcafee network security manager mcafee network security sensor. The exploit database is maintained by offensive security, an information security training company that provides various information security certifications as well as high end penetration testing services. Ibm security advisory on intel management engine vulnerability. A specially crafted pdf document can trigger a heap corruption, which can disclose sensitive memory content and aid in exploitation when coupled with another vulnerability. A new method of producing malicious pdf files has been discovered by the avast. Adobe reader jbig2decode memory corruption exploit core. The long term goal is to extract images from the pdf. Adobe also distributes the adobe acrobat plugin to allow users to view pdf files inside of a web browser. Adobe reader and acrobat jbig2 buffer overflow vulnerability.
This report was produced under united states agency for international development usaid cooperative agreement no. Jbig2globals null pointer deference vulnerability a vulnerability exists when opening a. The trick uses the jbig2decode filter which is designed specifically for encoding monochrome images. In this case, wepawet said no exploits were identified. Adobe acrobat reader is software designed to view portable document format pdf files. Adobe reader and acrobat contain a buffer overflow vulnerability in the handling of jbig2 streams exploit code for this vulnerability is publicly available. The initial report detailed privilege escalation risk under cve20175689. As old as the threat of danger itself, vulnerability management vm has been the responsibility of leaders in every human organization, from tribes and fiefdoms right up through modern multinationals. Adobe acrobat and reader pdf file handling jbig2 image. Winning vulnerability management programs have evolved to include additional solutions and workflow beyond scanning, adding to a larger picture required to truly understand how an adversary could, and will, attack. An attacker could exploit this vulnerability by persuading a targeted user to open a crafted pdf file containing a malicious r script.
Foxit pdf reader jbig2 parser information disclosure. Sameorigin protections for the pdf viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer. However, the code behind the nitro uses famous library known jbig2decode. With its fast deployment, low tco, unparalleled accuracy, robust scalability, and extensibility, qualys vm is relied upon by thousands of organizations throughout the world. An exploitable heap corruption vulnerability exists in the handling of jbig2decode object stream attributes of nitro pdf reader version. The cisa vulnerability bulletin provides a summary of new vulnerabilities that have been recorded by the national institute of standards and technology nist national vulnerability database nvd in the past week. Jbig2decode a lousy or lossless filter based on the jbig2 standard. This could allow the site to retrieve pdf files restricted to viewing by an authenticated user on a thirdparty website. Oval open vulnerability and assessment language definitions define exactly what should be done to. Based on the postscript language, each pdf file encapsulates a complete description of a fixedlayout flat document, including the text, fonts. A vulnerability in the loadencoding function of an r pdf could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. Talos has identified an information disclosure vulnerability in foxit pdf. The vulnerability is due to improper processing of usersupplied input by the affected software.
Organizations can apply machine learning and predictive modeling technologies to their data set to determine the likelihood that a new vulnerability will be weaponized and exploited. Vulnerability discovered by aleksandar nikolic of talos. This signature detects a remote codeexecution vulnerability in the adobe acrobat and reader additional information adobe acrobat and reader are applications for handling pdf files. Adobe reader jbig2decode memory corruption exploit update. It doesnt have to be an xobject, just a stream object with a jbig2decode filter.
How to implement a riskbased approach to vulnerability. Cannot import pdf with jpxdecode or jbig2decode filters. It is a prereleased version in order to deliver a module as quickly as possible to our customers that may be useful in some situations. Using the jbig2decode filter specifications enables the malicious pdf file to slip undetected past most antivirus scanners. This module exploits an array indexing vulnerability in adobe reader when handling a specially crafted pdf file. In this paper, areas of discussion will focus on the vulnerability lifecycle, the role vulnerability management can play, the approach to vuln erability management, tools to assist with the process, and reasons why such a.
The encoded content is the wellknown cve20100188 exploit, a. So how is it possible to exploit this vulnerability in a pdf document without having the user open this document. It turns out there will be no printing stack and no print drivers in chrome os. In some cases, the vulnerabilities in the bulletin may not yet have assigned cvss scores. Time is precious, so i dont want to do something manually that i can automate. Lossy image compression can hide malicious code in pdf files. A day in the life of the jpeg vulnerability october 10, 2004 charles hornat.
Jbig2decode outofbounds read vulnerability a vulnerability exists when opening a specially crafted malicious pdf document which can lead to an outofbounds read vulnerability and the application crashing out. This vulnerability affects firefox esr vulnerability is caused by a defect in how adobe reader interprets jbig2 image streams embedded within pdf documents. Pdf format is a file format developed by adobe in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. The exploit database is a nonprofit project that is provided as a public service by offensive security. The problem actually lies in the application that reads this information and displays the picture or formatted text on the. A memory corruption in certain versions of adobe acrobat and adobe reader formerly known as adobe acrobat reader can be triggered by a speciallycrafted pdf file. The trick involves hiding a common adobe reader exploit inside a pdf file that appears to antivirus software as a harmless image. This indirect object is all i have to include in my basic pdf document to get a poc pdf document to crash adobe acrobat reader 9. The malicious code is usually designed to exploit vulnerabilities in the. In order to exploit this vulnerability, the target user must be enticed to open a malicious pdf document. Not a vulnerability in pdf or swf adobe file formats.
Typically delivered via email attachment or an internet link embedded in email, this. I am trying to what i think should be a very basic thing, which is to import a large pdf from my files into mathematica. Pidief is a pdf malware family that was first discovered in late 2007 and continues to evolve and be active in early 2010. Vulnerability summary for the week of january 6, 2020 cisa. Earlier this year, i decided to do some fuzzing on nitro pdf software. Since this module is not the final version it may contain. Securityfocus is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide the internets largest and most comprehensive database of computer security knowledge and resources to the public. Once organizations integrate a riskbased approach to vulnerability management into core operations, they can transition from being proactive to predictive. The high level api, or the jbig2 program for an example of usage. Some days ago i collected a malicious pdf file, usually, wepawet does an excellent job and automatically analyze the malicious file for you. The new method is more than a specific, patchable vulnerability. For a current list of signature set updates see article kb55446 network security signature set updates. Vulnerability management robust service architecture deloittes managed vulnerability management service offers a complete vulnerability management life cycle for finding and remediating security weaknesses before they are exploited and helps with improved visibility to security posture. In may 2017, intel publicly released a critical vulnerability advisory concerning its active management technology amt.
The psrt has stated that this is not a security vulnerability due to the fact that the attacker must be able to run code, however in some situations, such as function as a service, this vulnerability can potentially be used by an attacker to violate a trust boundary, as such the dwf feels this issue deserves a cve. Successful exploitation may allow arbitrary code injection and execution with the privileges of the currently logged in user. A vulnerability in the portable document format pdf scanning functionality of clam antivirus clamav software versions 0. Specifically your code is failing because that pdf has images encoded as jbig2decode. The referenced article is available only to registered serviceportal users. Google on thursday clarified how it expects printing to work in its forthcoming chrome os. Of special interest is support for jbig2 within pdf documents, offering you the.
While early reports suggested that disabling acrobat javascript was sufficient to protect from this vulnerability, this is not the case. As of the writing of this report, the vulnerability is being exploited in the wild. It doesnt have to be an xobject, just a stream object with a. Adobe acrobatreader jbig2decode buffer overflow vulnerability. Leveraging the metasploit framework when automating any task keeps us from having to recreate the wheel as we can use the existing libraries and focus our efforts where it matters. This update adds support for windows xp sp2, windows 2000 professional sp4 and adobe reader jbig2decode memory corruption exploit update core security. As this is the case with the jbig2decode vulnerability in pdf documents, i took the time to produce a short video showing 3 ways the vulnerability can trigger without even opening the pdf document. The software itself is a commercial pdf software that supports create, edit, sign and securing pdf files. This vulnerability can be exploited reliably and with minimal user interaction to take complete control over the affected systems. Avast finds pdf exploit invisible to antivirus programs. Recently, more vulnerabilities on pdf readers have been disclosed or privately used. Sometimes a piece of malware can execute without even opening the file.