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NVD Vulnerability Details :

CVE-2009-0801

Modified

Source-cve@mitre.org

Published At-04 Mar, 2009 | 16:30

Updated At-23 Apr, 2026 | 00:35

Squid, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	2.0	5.4	MEDIUM	AV:N/AC:H/Au:N/C:C/I:N/A:N

Type: Primary

Version: 2.0

Base score: 5.4

Base severity: MEDIUM

Vector:

AV:N/AC:H/Au:N/C:C/I:N/A:N

CPE Matches

squid>>squid_web_proxy_cache>>2.7

cpe:2.3:a:squid:squid_web_proxy_cache:2.7:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>2.7.stable5

cpe:2.3:a:squid:squid_web_proxy_cache:2.7.stable5:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>2.7.stable6

cpe:2.3:a:squid:squid_web_proxy_cache:2.7.stable6:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0

cpe:2.3:a:squid:squid_web_proxy_cache:3.0:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_pre1

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_pre1:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_pre2

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_pre2:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_pre3

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_pre3:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable1

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable1:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable2

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable2:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable3

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable3:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable4

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable4:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable5

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable5:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable6

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable6:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable7

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable7:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable12

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable12:*:*:*:*:*:*:*

squid>>squid_web_proxy_cache>>3.0_stable13

cpe:2.3:a:squid:squid_web_proxy_cache:3.0_stable13:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-264	Primary	nvd@nist.gov

CWE ID: CWE-264

Type: Primary

Source: nvd@nist.gov

Vendor Statements

Organization : Red Hat

Last Modified : 2009-03-09T00:00:00

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-0801 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

References

Hyperlink	Source	Resource
http://www.kb.cert.org/vuls/id/435052	cve@mitre.org	Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/33858	cve@mitre.org	N/A
http://www.kb.cert.org/vuls/id/435052	af854a3a-2127-422b-91ae-364da2661108	Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/33858	af854a3a-2127-422b-91ae-364da2661108	N/A

Hyperlink: http://www.kb.cert.org/vuls/id/435052

Source: cve@mitre.org

Resource:

Third Party Advisory

US Government Resource

Hyperlink: http://www.securityfocus.com/bid/33858

Source: cve@mitre.org

Resource: N/A

Hyperlink: http://www.kb.cert.org/vuls/id/435052

Source: af854a3a-2127-422b-91ae-364da2661108