What’s Vulnerable › Vulnerabilities

CVE-2004-0445

• Severity: low (CVSS 2.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2004-07-07 · updated 2026-06-16

Description

The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.

Affected products

• Symantec Client Firewall: 5.01, 5.1.1
• Symantec Client Security: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+5)
• Symantec Norton Antispam: 2004
• Symantec Norton Internet Security: 2002, 2003, 2004
• Symantec Norton Personal Firewall: 2002, 2003, 2004

References

• http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html
• http://secunia.com/advisories/11066
• http://securityresponse.symantec.com/avcenter/security/Content/2004.05.12.html
• http://securitytracker.com/id?1010144
• http://securitytracker.com/id?1010145
• http://securitytracker.com/id?1010146
• http://www.ciac.org/ciac/bulletins/o-141.shtml
• http://www.kb.cert.org/vuls/id/682110
• http://www.osvdb.org/6100
• http://www.securityfocus.com/bid/10336
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16132
• http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html

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