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Files from Adam Gowdiak

Email addresszupa at man.poznan.pl
First Active2004-10-27
Last Active2022-12-11
CANAL+ / Microsoft PlayReady Cryptography Shortcomings / Authorization Bypass
Posted Dec 11, 2022
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations conducted a security analysis of Microsoft Play Ready content protection technology in the environment of the CANAL+ SAT TV provider. As a result, complete access to movie assets and content keys available in the CANAL+ VOD library could be gained with the use of a fake client device identity. Microsoft and CANAL+ have seemingly decided to ignore this large laundry list of failures.

tags | exploit
SHA-256 | ae147b5df942976857f81fb745ba330474556562626f4e5abf76e56fe99dca24
Java Card Proof Of Concepts
Posted Jun 14, 2019
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations has discovered multiple security vulnerabilities in the reference implementation of Java Card technology from Oracle used in financial, government, transportation and telecommunication sectors among others. As for the impact, the vulnerabilities found make it possible to break memory safety of the underlying Java Card VM. As a result, full access to smartcard memory could be achieved, applet firewall could be broken or native code execution could be gained. This archive contains the proof of concept code that demonstrates these vulnerabilities which were originally made public in March of 2019.

tags | exploit, java, vulnerability, code execution, proof of concept
SHA-256 | 22ac20b59483601b9077fb4862bb70d8f034648a969c478415328a8d85326aca
Gemalto Java Card SE-2019-01 Issue 34
Posted Jun 14, 2019
Authored by Adam Gowdiak | Site security-explorations.com

This is the second of two extensive reports sent to Gemalto by Security Explorations to document vulnerabilities found in Java Card. Issue 34 is documented in this report.

tags | advisory, java, vulnerability
SHA-256 | 67d6d552ce4c167529c7cd84de0d0be125a4bdc6728dcd0cc31fb219c9d4011d
Gemalto Java Card SE-2019-01 Issues 19 And 33
Posted Jun 14, 2019
Authored by Adam Gowdiak | Site security-explorations.com

This is the first of two extensive reports sent to Gemalto by Security Explorations to document vulnerabilities found in Java Card. Issues 19 and 33 are in this report.

tags | advisory, java, vulnerability
SHA-256 | 32aca3def4a46b63b9c8e018bba1b57b074ab1a278951e26deaa861e0b140b14
Oracle Java Card SE-2019-01 Issues 26-32
Posted Jun 14, 2019
Authored by Adam Gowdiak | Site security-explorations.com

This is the third of three extensive reports sent to Oracle by Security Explorations to document vulnerabilities found in Java Card. Issues 26 through 32 are in this report.

tags | advisory, java, vulnerability
SHA-256 | 8d2b759c1b5a470b8d80314d6c5b026ab6eb6c87410e6af99040f73abe993b0f
Oracle Java Card SE-2019-01 Issues 20-25
Posted Jun 14, 2019
Authored by Adam Gowdiak | Site security-explorations.com

This is the second of three extensive reports sent to Oracle by Security Explorations to document vulnerabilities found in Java Card. Issues 20 through 25 are in this report.

tags | advisory, java, vulnerability
SHA-256 | 223a793bc15195c628f17c4fc553a3c603a66dd2a1b8dff8b24e298ddc831464
Oracle Java Card SE-2019-01 Issues 1-18
Posted Jun 14, 2019
Authored by Adam Gowdiak | Site security-explorations.com

This is the first of three extensive reports sent to Oracle by Security Explorations to document vulnerabilities found in Java Card. Issues 1 through 18 are in this report.

tags | advisory, java, vulnerability
SHA-256 | 6c524db6b0b45d01b1e715bfb97219d0ab2f4adb4b4e678d3b24918baa34d69e
Java Card VM Memory Safety
Posted Mar 20, 2019
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations has discovered multiple security vulnerabilities in the reference implementation of Java Card technology from Oracle used in financial, government, transportation and telecommunication sectors among others. As for the impact, the vulnerabilities found make it possible to break memory safety of the underlying Java Card VM. As a result, full access to smartcard memory could be achieved, applet firewall could be broken or native code execution could be gained.

tags | advisory, java, vulnerability, code execution
SHA-256 | 13a1c021f386ea8562db371d87447e51b75f82035a8868806f76394eb2c78f11
Exploitation Framework For STMicroelectronics DVB Chipsets
Posted Feb 20, 2019
Authored by Adam Gowdiak | Site security-explorations.com

A multitude of security issues exist within STMicroelectronics DVB chipsets including, but not limited to credential leakage, buffer overflow, and data leaks. This is the full release of both the whitepaper and dozens of proof of concept details.

tags | exploit, overflow, proof of concept
SHA-256 | d213971899e2afa9864a8613af2fd95bc020cf4d68541d24a96d77ad4ad8264c
Exploitation Framework For STMicroelectronics DVB Chipsets
Posted Jan 22, 2019
Authored by Adam Gowdiak | Site security-explorations.com

This detailed research paper discusses a multitude of security issues with STMicroelectronics DVB chipsets including, but not limited to credential leakage, buffer overflow, and data leaks.

tags | exploit, overflow
SHA-256 | 15ea626ba332e60b314c81d0c40ab573322f5d2838ec298bfd26ea8118aa6c19
STMicroelectronics DVB Chipset Reverse Engineering
Posted Jun 8, 2018
Authored by Adam Gowdiak | Site security-explorations.com

This archive holds a 70+ pages long technical paper accompanied by two reverse engineering tools to analyze STMicroelectronics DVB chipsets.

tags | exploit
SHA-256 | 38bffd3496f315e8460e0c28a7d946b77b455c78115e5b31dff9bc4e92356db9
IBM Java Issue 70 Bad Patch
Posted Apr 12, 2016
Authored by Adam Gowdiak | Site security-explorations.com

The patch for Issue 70 in IBM Java discovered by Security Explorations in 2013 was found to be faulty. Included are the full report and a proof of concept.

tags | exploit, java, proof of concept
systems | linux
advisories | CVE-2013-5456
SHA-256 | 24180117b921605ffa337bfcd62c889bf47a2e79be4fd3593f12c7031b1258ce
IBM Java Issue 67 Bad Patch
Posted Apr 5, 2016
Authored by Adam Gowdiak | Site security-explorations.com

The patch for Issue 67 in IBM Java discovered by Security Explorations in 2013 was found to be faulty.

tags | advisory, java
SHA-256 | 05acd35224d6d36ec0c881a14c2437781d3cf225c1d917f2a38924f23726bf48
Oracle Java Security Fix Bypass
Posted Mar 11, 2016
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations has released details and a proof of concept to bypass a broken security fix found in the Oracle Java SE fix from September, 2013.

tags | exploit, java, proof of concept
systems | linux
advisories | CVE-2013-5838
SHA-256 | 01bc25f8f8df246c49b97afca9f4177773fc93680f8d029f118b41c573555d1f
SE-2014-02 Oracle Errata
Posted Nov 30, 2015
Authored by Adam Gowdiak | Site security-explorations.com

In their original report, Security Explorations indicated that Issue 42 in SE-2014-02 had its origin in klassItable::initialize_itable_for_interface method's implementation of Java SE 7 HotSpot VM. They have recently learned that their initial analysis regarding the root cause of Issue 42 was incorrect. This report contains more detailed information about the actual cause of Issue 42, the reasoning that has mislead them into concluding it was caused by an improper initialization of non-public interface method slots and some additional findings regarding this issue.

tags | advisory, java, root
advisories | CVE-2015-4871
SHA-256 | 926ad5f5f27088ecc130997d08aa12a0ca81902394fe5f1767a391a11cdfa9ea
Java SE 7 Improper Initialization
Posted Oct 22, 2015
Authored by Adam Gowdiak | Site security-explorations.com

Issue number 42 from SE-2014-02 has been addressed by Oracle. Included in this archive are proof of concepts and information regarding the fix.

tags | exploit, proof of concept
systems | linux
SHA-256 | 7df623023a7204002b65855afccec136cda0d1a4a5470f0bb205626f4b1824fe
Security Explorations Math Versus Oracle
Posted Aug 17, 2015
Authored by Adam Gowdiak | Site security-explorations.com

This is a fun write-up detailing vulnerabilities in Oracle products discovered by the security community and how Oracle CSO Mary Ann Davidson's math on the subject just does not add up. No surprise there.

tags | advisory, vulnerability
SHA-256 | 2da1fcf5b8f0090fe5d0ec336bb7d93cd663a84c8ff4ad87b305664d9081d629
Google App Engine Java Security Sandbox Bypasses
Posted May 7, 2015
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations released technical details, Google advisories, and new proof of concept code for the Google App Engine sandbox bypass vulnerabilities.

tags | exploit, vulnerability, proof of concept
systems | linux
SHA-256 | 5420aba52d2da4e16371bae00da42618bd4a585a57ebdcc3bb728104c84e8eab
Google App Engine Java Security Sandbox Bypasses
Posted Mar 17, 2015
Authored by Adam Gowdiak | Site security-explorations.com

Full materials and proof of concept code has been released for the Security Explorations discovery of various Google app engine java security sandbox bypasses.

tags | exploit, java, proof of concept
systems | linux
SHA-256 | bd960af7763ba59085745caf406af8ad984dad196a7d5aaccd9db363dd96eb1a
Google App Engine Java VM Sandbox Escape
Posted Dec 6, 2014
Authored by Adam Gowdiak | Site security-explorations.com

In excess of 30 issues have been discovered related to the Google App Engine including a complete Java VM security sandbox escape.

tags | advisory, java
SHA-256 | 6182e41f90d3af4bea0258e8b31121bc251e830d6c929f250793bc9835215c4c
Oracle Database Java VM Security Vulnerabilities
Posted Oct 15, 2014
Authored by Adam Gowdiak | Site security-explorations.com

This archive contains a couple of pdfs detailing 22 security vulnerabilities in Oracle Database Java VM along with proof of concept code.

tags | exploit, java, vulnerability, proof of concept
systems | linux
SHA-256 | ecf11e83b5525ba9d476e4539ffb04359d6e5d4f9b76b0703665010c38864b7f
Oracle Database Java VM 20 Weaknesses
Posted Jun 16, 2014
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations discovered multiple security issues in the implementation of a Java VM embedded in Oracle Database software. Among a total of 20 weaknesses discovered, there are issues that allow to create a specific Java security bypass condition or that facilitate the execution of arbitrary Java code on Oracle Database server without proper privileges.

tags | advisory, java, arbitrary
SHA-256 | 67ffba97eac0feeeb493a67dcadb70bec07aaba89ec8cdc1f47731fb6432f1c2
30 Issues In Oracle Java Cloud Service
Posted Apr 1, 2014
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations decided to release technical details and accompanying proof of concept codes for security vulnerabilities discovered in the environment of Oracle Java Cloud Service. Enclosed are two pdfs detailing the issues along with a zip file filled with proof of concept code. The release of data is due to Oracle's continued failure to properly handle vulnerability reports.

tags | exploit, java, vulnerability, proof of concept
systems | linux
SHA-256 | 8da74747f63ecbeaf0436376646b7870ac187a6fd484dcb90371ecdd3d8b7be4
Java PaaS / Cloud Services Security Issues
Posted Feb 1, 2014
Authored by Adam Gowdiak | Site security-explorations.com

Security Explorations discovered multiple security vulnerabilities in the environment of Oracle Java Cloud Service. Among a total of 28 issues found, there are 16 weaknesses that make it possible to completely break Java security sandbox of a target WebLogic server environment. An attacker can further leverage this to gain access to application deployments of other users of Oracle Java Cloud service in the same regional data center.

tags | advisory, java, vulnerability
SHA-256 | 652728a4db193f91cfd789d35f2cbce67c8d3fb9f86841ab4870dda696838141
Oracle Java SE 7 Issue 69
Posted Oct 17, 2013
Authored by Adam Gowdiak | Site security-explorations.com

The CPU released Oct 15, 2013 by Oracle included information about a fix for Java SE 7 vulnerability (Issue 69) that was reported to the company in July.

tags | advisory, java
SHA-256 | 8836a50caf231af0bc2808d25511d8afa12be6798b069187840e5e846e7cbf09
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