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Disclosures | ADVISORIES | October 13, 2009

Microsoft Windows CryptoAPI X.509 Spoofing Vulnerability

Release Date: 10.13.09. VUPEN ID: VUPEN/ADV-2009-2891. CVE ID: CVE-2009-2510, CVE-2009-2511. Researchers identified two vulnerabilities in Microsoft Windows relating to the use of X.509 certificates. Attackers could exploit these to bypass security restrictions.

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Dan Kaminsky Ian Wright & Jean-Luc Giraud
Disclosures | ADVISORIES | July 19, 2009

doc.export* Methods Allow Arbitrary File Creation

Discovered: 07.13.09. Several JavaScript methods of the Document Object do not honor the Privileged Context and Safe Path settings. IOActive was able to execute certain privileged JavaScript methods that can be used to create arbitrary files and folders on a targeted file system.

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IOActive
Disclosures | ADVISORIES | June 9, 2009

Recursive Stack Overflow in ClamAV

Reported: 10.30.08. Patched: 12.01.08. Disclosed: 06.09.0. ClamAV’s JPEG parser contains code that recursively checks thumbnails, if they are included. Since the thumbnails can be JPEGs, there is no limit to the amount of recursions that can occur. This can lead to stack overflows.

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Ilja van Sprundel
Disclosures | ADVISORIES | June 8, 2009

Heap Corruption in Tor

Discovered: January 2009. Reported: 01.20.09. Disclosed: 06.08.09. There is a potential heap corruption bug in Tor when escaping data for logging purposes. Only certain deployments are vulnerable, and the bug can be triggered only from certain locales.

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Ilja van Sprundel
Disclosures | ADVISORIES | March 3, 2009

AppleTalk Response Packet Parsing Array Over-indexing Vulnerability

Discovered: 03.03.09. Reported: 03.03.09. Disclosed: 08.05.09. CVE-ID: CVE-2009-2193. The Mac OS X AppleTalk stack contains an array over-indexing vulnerability that, if exploited correctly while AppleTalk is powered on, could lead to a remote system compromise. Even if only partially exploited, it could lead to denial-of-service conditions and cause a kernel panic remotely, effectively shutting down the system.

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Ilja van Sprundel
Disclosures | ADVISORIES | February 4, 2009

Pointer Dereference in OpenSolaris

Reported: 09.29.08. Disclosed: 02.04.09. Patched: 02.05.09. The OpenSolaris kernel exhibits a vulnerability around a userland pointer dereference, and allows both reading from and writing to the kernel.

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Ilja van Sprundel
Disclosures | ADVISORIES | October 31, 2008

QNX ker_msg_sendv System Call Integer Overflow

Discovered: 10.30.08. Reported: 10.30.08. Disclosed: 10.31.08. QNX’s ker_msg_sendv() system call contains an integer overflow that could lead to heap corruption and, if correctly exploited, system compromise. If only partially exploited, this could lead to denial-of-service conditions and kernel panic, effectively shutting down the system.

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Ilja van Sprundel
Disclosures | ADVISORIES | October 21, 2008

DNS TXT Record Parsing Bug in LibSPF2

Reported: 10.20.08. Disclosed: 10.21.08. Researchers discovered a relatively common bug that parses TXT records delivered over DNS-dating back at least to 2002 in Sendmail 8.2.0 and almost certainly much earlier-in LibSPF2. This library retrieves Sender Policy Framework (SPF) records and applies policy according to those records. This implementation flaw allows for relatively flexible memory corruption and should be treated as a path to anonymous remote code execution.

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Dan Kaminsky
Disclosures | ADVISORIES | September 30, 2008

Diskimages-helper band-size Vulnerability

Reported to Vendor: 09.30.08. Patch Released: 04.29.09. CVE ID: CVE-2009-0150. A signed-to-unsigned conversion flaw exists in diskimages-helper when it reads the band-size parameter. When the value specified for the band-size key is changed to a negative number, the diskimages-helper process crashes when the user attempts to log in.

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Tiller Beauchamp
Disclosures | ADVISORIES | August 5, 2008

Multiple Vulnerabilities in Apple’s MobileMe Service

Reported: 08.05.08. Patched: 11.06.08 Disclosed: 11.20.08. Apple’s MobileMe (me.com) web service contains several serious security vulnerabilities. The most critical vulnerability combines cross-site request forgery and cross-site scripting, and allows an attacker to access the service without a valid password.

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Richard van Eeden & Ilja van Sprundel

Arm IDA and Cross Check: Reversing the 787’s Core Network

IOActive has documented detailed attack paths and component vulnerabilities to describe the first plausible, detailed public attack paths to effectively reach the avionics network on a 787, commercial airplane from either non-critical domains, such as Passenger Information and Entertainment Services, or even external networks.

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