Description
The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted replace operation with a JavaScript regular expression, aka "Scripting Engine Memory Corruption Vulnerability."
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Microsoft Internet Explorer 8 - jscript 'RegExpBase::FBadHeader' Use-After-Free (MS15-018) EDB-40798 · dos · Nov 21, 2016 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- MS15-108 vendor-advisory
- 1033800 vdb-entry
- 20151013 JScript 5.7 (MSIE 8) RegExpBase::FBadHeader regular expression use-after-free mailing-list
- 40798 exploit
- MS15-106 vendor-advisory
- http://www.zerodayinitiative.com/advisories/ZDI-15-515