7.5high
CVE-2004-0189in critical feed1 exploit
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 ("%0…
Published 22 y ago · modified 4 mo ago · JSON
CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
13.8%
percentile 97%
Public exploits
1
Exploit-DB
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.
Exploit prediction (EPSS)
13.81% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.
Exploits and detections
- EDB-23777 Squid Proxy 2.4/2.5 - NULL URL Character Unauthorized Access · remote · 2004-03-01
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
- squid-cache.org /Advisories/SQUID-2004_1.txt · x_refsource_CONFIRM, x_transferred
- exchange.xforce.ibmcloud.com /vulnerabilities/15366 · vdb-entry, x_refsource_XF, x_transferred
- debian.org /security/2004/dsa-474 · vendor-advisory, x_refsource_DEBIAN, x_transferred
- oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A877 · vdb-entry, signature, x_refsource_OVAL, x_transferred
- securityfocus.com /bid/9778 · vdb-entry, x_refsource_BID, x_transferred
- mandrakesoft.com /security/advisories?name=MDKSA-2004:025 · vendor-advisory, x_refsource_MANDRAKE, x_transferred
- oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A941 · vdb-entry, signature, x_refsource_OVAL, x_transferred
- redhat.com /support/errata/RHSA-2004-133.html · vendor-advisory, x_refsource_REDHAT, x_transferred
- redhat.com /support/errata/RHSA-2004-134.html · vendor-advisory, x_refsource_REDHAT, x_transferred
- marc.info /?l=bugtraq&m=108084935904110&w=2 · mailing-list, x_refsource_BUGTRAQ, x_transferred
- security.gentoo.org /glsa/glsa-200403-11.xml · vendor-advisory, x_refsource_GENTOO, x_transferred
- distro.conectiva.com.br /atualizacoes/?id=a&anuncio=000838 · vendor-advisory, x_refsource_CONECTIVA, x_transferred
- osvdb.org /5916 · vdb-entry, x_refsource_OSVDB, x_transferred
Sources
- CVE List: CVE-2004-0189
- NVD: CVE-2004-0189
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