Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squid | Squid | 2.0_patch2 |
References
- ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.16/SCOSA-2005.16.txt
- ftp://patches.sgi.com/support/free/security/advisories/20040404-01-U.asc
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000838
- http://marc.info/?l=bugtraq&m=108084935904110&w=2
- http://security.gentoo.org/glsa/glsa-200403-11.xml
- http://www.debian.org/security/2004/dsa-474
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:025
- http://www.osvdb.org/5916
- http://www.redhat.com/support/errata/RHSA-2004-133.html
- http://www.redhat.com/support/errata/RHSA-2004-134.html
- http://www.securityfocus.com/bid/9778ExploitPatchVendor Advisory
- http://www.squid-cache.org/Advisories/SQUID-2004_1.txtExploitPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15366
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2004-0189?
CVE-2004-0189 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 th...
How severe is CVE-2004-0189?
CVE-2004-0189 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2004-0189?
Check the references section above for vendor advisories and patch information. Affected products include: Squid Squid.