High

CVE-2004-0189 - Unspecified vulnerability in Squid

Publication: 2004-03-15
Summary

The "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") character, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.

Risk level (CVSS 7.5)

High

7.5

Access Vector

  • Network
  • Adjacent Network
  • Local

Access Complexity

  • Low
  • Medium
  • High

Authentication

  • None
  • Single
  • Multiple

Confident. Impact

  • Complete
  • Partial
  • None

Integrity Impact

  • Complete
  • Partial
  • None

Affected Products

  • Squid Squid 2.0_patch2
  • Squid Squid 2.1_patch2
  • Squid Squid 2.3_stable5
  • Squid Squid 2.4
  • Squid Squid 2.4_stable7
  • Squid Squid 2.5_stable3
  • Squid Squid 2.5_stable4