CVE-2004-1585
Description
Flash Messaging 5.2.0g and earlier crashes when receiving specially crafted wide characters.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Flash Messaging 5.2.0g and earlier crashes when receiving specially crafted wide characters.
Vulnerability
Flash Messaging 5.2.0g (rev 1.1.2) and earlier versions are vulnerable to a denial of service due to the server's inability to handle certain wide characters (16-bit Unicode values) in network data exchanged between server and clients. The server software, an instant messaging application for Windows, processes data as wide characters, and sending malformed or unexpected wide character sequences triggers a server crash [1].
Exploitation
An attacker can remotely exploit this vulnerability by sending a crafted packet containing specific wide characters to the Flash Messaging server. No authentication or user interaction is required; the attack targets the server directly over the network [1].
Impact
Successful exploitation causes the Flash Messaging server to crash immediately, resulting in a denial of service. All connected clients lose connectivity until the server is restarted [1].
Mitigation
Per the advisory, the vendor was notified but no fix or workaround is documented in the available references. Flash Messaging 5.2.0g (rev 1.1.2) and earlier are vulnerable; users should upgrade to a patched version if available, or consider discontinuing use of the software [1].
AI Insight generated on May 24, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
3cpe:2.3:a:jera_technology:flash_messaging:5.2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:jera_technology:flash_messaging:5.2:*:*:*:*:*:*:*
- cpe:2.3:a:jera_technology:flash_messaging:5.2g:*:*:*:*:*:*:*
- (no CPE)range: <=5.2.0g (rev 1.1.2)
Patches
0No patches discovered yet.
Vulnerability mechanics
Root cause
"The server fails to properly handle certain wide characters (16-bit values) in network data, leading to an immediate crash."
Attack vector
An attacker sends specially crafted wide characters (16-bit values) to the Flash Messaging server over the network. The server is unable to handle certain wide characters, and processing them causes an immediate crash [ref_id=1]. No authentication is required; the attack is performed remotely against the server [ref_id=1].
Affected code
The advisory does not specify exact functions or file paths. The vulnerability exists in the server component of Flash Messaging 5.2.0g (rev 1.1.2) and earlier, where the server processes network data composed of wide characters (16 bits) [ref_id=1].
What the fix does
No fix has been published. The vendor did not reply to the researcher's report [ref_id=1]. The advisory provides no remediation guidance beyond noting the lack of a fix [ref_id=1].
Preconditions
- networkAttacker must be able to send network data to the Flash Messaging server
Reproduction
The researcher provides a proof-of-concept tool at http://aluigi.altervista.org/poc/flashmsg.zip that can send crafted wide characters to trigger the server crash [ref_id=1].
Generated on May 26, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
5- securitytracker.com/idnvdExploit
- www.securityfocus.com/bid/11351nvdExploit
- secunia.com/advisories/12759/nvdVendor Advisory
- marc.infonvd
- exchange.xforce.ibmcloud.com/vulnerabilities/17647nvd
News mentions
0No linked articles in our index yet.