CVE-2002-1643

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 74.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2002-12-19 · updated 2026-06-16

Description

Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow remote attackers to execute arbitrary code via (1) a long Transport field in a SETUP RTSP request, (2) a DESCRIBE RTSP request with a long URL argument, or (3) two simultaneous HTTP GET requests with long arguments.

Affected products

RealNetworks Helix Universal Server: 9.0, 9.0.2.768

References

http://www.kb.cert.org/vuls/id/974689
http://www.nextgenss.com/advisories/realhelix.txt
http://www.securityfocus.com/archive/1/304203
http://www.securityfocus.com/bid/6454
http://www.securityfocus.com/bid/6456
http://www.securityfocus.com/bid/6458
http://www.service.real.com/help/faq/security/bufferoverrun12192002.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/10915
https://exchange.xforce.ibmcloud.com/vulnerabilities/10916
https://exchange.xforce.ibmcloud.com/vulnerabilities/10917
http://www.kb.cert.org/vuls/id/974689
http://www.nextgenss.com/advisories/realhelix.txt

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