Description
Stack-based buffer overflow in the guac_client_plugin_open function in libguac in Guacamole before 0.6.3 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long protocol name.
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
- libguac - Remote Buffer Overflow EDB-37788 · remote · Sep 11, 2012 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 55497 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=856743
- [oss-security] 20120911 Re: CVE id request: guacd mailing-list
- FEDORA-2012-14097 vendor-advisory
- http://guac-dev.org/trac/changeset/7dcefa744b4a38825619c00ae8b47e5bae6e38c0/libguac
- [oss-security] 20120911 CVE id request: guacd mailing-list
- FEDORA-2012-13914 vendor-advisory
- FEDORA-2012-14179 vendor-advisory
- 20120924 CVE-2012-4415: guacamole local root vulnerability mailing-list