Vulnerability Monitor

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CVE-2004-0918

The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that trigger a memory allocation error.

Security Impact Summary

CVE-2004-0918 is a security vulnerability that . Impacting 6 products from openpkg, from squid, from gentoo and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-01-27T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openpkg openpkg 2.1 Yes
Application openpkg openpkg 2.2 Yes
Application openpkg openpkg current Yes
Application squid squid 2.0_patch2 Yes
Application squid squid 2.1_patch2 Yes
Application squid squid 2.3_.stable4 Yes
Application squid squid 2.3_.stable5 Yes
Application squid squid 2.4 Yes
Application squid squid 2.4_.stable2 Yes
Application squid squid 2.4_.stable6 Yes
Application squid squid 2.4_.stable7 Yes
Application squid squid 2.5_.stable1 Yes
Application squid squid 2.5_.stable3 Yes
Application squid squid 2.5_.stable4 Yes
Application squid squid 2.5_.stable5 Yes
Application squid squid 2.5_.stable6 Yes
Application squid squid 3.0_pre1 Yes
Application squid squid 3.0_pre2 Yes
Application squid squid 3.0_pre3 Yes
Operating System gentoo linux * Yes
Operating System redhat fedora_core core_2.0 Yes
Operating System trustix secure_linux 1.5 Yes
Operating System trustix secure_linux 2.0 Yes
Operating System trustix secure_linux 2.1 Yes
Operating System ubuntu ubuntu_linux 4.1 Yes
Operating System ubuntu ubuntu_linux 4.1 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openpkg's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.