Oracle Java – ByteComponentRaster.verify() Memory Corruption
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 +------------------------------------------------------------------------------+ | Packet Storm Advisory 2013-0827-1 | | http://packetstormsecurity.com/ | +------------------------------------------------------------------------------+ | Title: Oracle Java ByteComponentRaster.verify() Memory Corruption | +--------------------+---------------------------------------------------------+ | Release Date | 2013/08/27 | | Advisory Contact | Packet Storm (advisories@packetstormsecurity.com) | | Researcher | Name Withheld | +--------------------+---------------------------------------------------------+ | System Affected | Oracle Java | | Versions Affected | Prior to 7u25 | | Vendor Patched | 2013/06/18 | | Classification | 0-day | +--------------------+---------------------------------------------------------+ +----------+ | OVERVIEW | +----------+ The release of this advisory provides exploitation details in relation to a known patched vulnerability in Oracle Java. These details were obtained through the Packet Storm Bug Bounty program and are being released to the community. +------------------------------------------------------------------------------+ +---------+ | DETAILS | +---------+ The ByteComponentRaster.verify() method in Oracle Java versions prior to 7u25 is vulnerable to a memory corruption vulnerability that allows bypassing of "dataOffsets[]" boundary checks. This vulnerability allows for remote code execution. User interaction is required for this exploit in that the target must visit a malicious page or open a malicious file. +------------------------------------------------------------------------------+ +------------------+ | PROOF OF CONCEPT | +------------------+ The full exploit code that pops calc.exe is available here: http://packetstormsecurity.com/files/122980/ https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/27943.tgz +------------------------------------------------------------------------------+ +---------------+ | RELATED LINKS | +---------------+ http://www.oracle.com/technetwork/java/javase/7u25-relnotes-1955741.html +------------------------------------------------------------------------------+ +----------------+ | SHAMELESS PLUG | +----------------+ The Packet Storm Bug Bounty program gives researchers the ability to profit from their discoveries. You can get paid thousands of dollars for one day and zero day exploits. Get involved by contacting us at getpaid@packetstormsecurity.com or visit the bug bounty page at: http://packetstormsecurity.com/bugbounty/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iEYEARECAAYFAlIdRaAACgkQrM7A8W0gTbHLCgCfSEFGJWOda4xJj2AnSVQ8NvSa wq0AoJfytQaLA4vyhtpiAYRrDoL3wYlu =qJno -----END PGP SIGNATURE----- |