Description
Vignette StoryServer and Vignette V/5 does not properly calculate the size of text variables, which causes Vignette to return unauthorized portions of memory, as demonstrated using the "-->" string in a CookieName argument to the login template, referred to as a "memory leak" in some reports.
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 2
- Vignette 4.x/5.0 - Memory Disclosure EDB-22646 · remote · May 26, 2003 · verified
- Vignette StoryServer 4.1 - Sensitive Stack Memory Information Disclosure EDB-22472 · remote · Apr 7, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://www.s21sec.com/es/avisos/s21sec-018-en.txt
- vignette-memory-leak(12075) vdb-entry
- 7684 vdb-entry
- 20030526 S21SEC-018 - Vignette memory leak AIX Platform mailing-list