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Last updated: 4/24/2014

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Vulnerability Summary for CVE-2011-1499

Original release date: 04/29/2011
Last revised: 09/06/2011
Source: US-CERT/NIST

Overview

acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.6 (LOW) (AV:N/AC:H/AU:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

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External Source: DEBIAN
Name: DSA-2222
External Source: MLIST
Name: [oss-security] 20110408 Re: CVE request: tinyproxy runs as an open proxy when attempting to restrict allowable IP ranges
Type: Patch Information; Exploit
External Source: CONFIRM
Name: https://banu.com/bugzilla/show_bug.cgi?id=90
Type: Patch Information; Exploit
External Source: CONFIRM
Name: https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=694658
Type: Patch Information; Exploit
External Source: XF
Name: tinyproxy-aclc-sec-bypass(67256)
External Source: SECUNIA
Name: 44274
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493
Type: Patch Information; Exploit
External Source: MLIST
Name: [oss-security] 20110407 CVE request: tinyproxy runs as an open proxy when attempting to restrict allowable IP ranges
Type: Patch Information; Exploit

Vulnerable software and versions

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Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:banu:tinyproxy:1.8.2 and previous versions
* cpe:/a:banu:tinyproxy:1.8.1
* cpe:/a:banu:tinyproxy:1.8.0
* cpe:/a:banu:tinyproxy:1.7.1
* cpe:/a:banu:tinyproxy:1.7.0
* cpe:/a:banu:tinyproxy:1.6.5
* cpe:/a:banu:tinyproxy:1.6.1
* cpe:/a:banu:tinyproxy:1.6.2
* cpe:/a:banu:tinyproxy:1.6.0
* cpe:/a:banu:tinyproxy:1.6.4
* cpe:/a:banu:tinyproxy:1.6.3
* cpe:/a:banu:tinyproxy:1.6.0:a
* cpe:/a:banu:tinyproxy:1.6.0:pre1
* cpe:/a:banu:tinyproxy:1.6.0:pre2
* cpe:/a:banu:tinyproxy:1.6.0:pre3
* cpe:/a:banu:tinyproxy:1.6.0:pre4
* cpe:/a:banu:tinyproxy:1.6.0:rc1
* cpe:/a:banu:tinyproxy:1.6.0:rc2
* cpe:/a:banu:tinyproxy:1.6.0:rc3
* cpe:/a:banu:tinyproxy:1.5.0
* cpe:/a:banu:tinyproxy:1.5.0:pre1
* cpe:/a:banu:tinyproxy:1.5.0:pre2
* cpe:/a:banu:tinyproxy:1.5.0:pre3
* cpe:/a:banu:tinyproxy:1.5.0:pre4
* cpe:/a:banu:tinyproxy:1.5.0:pre5
* cpe:/a:banu:tinyproxy:1.5.0:pre6
* cpe:/a:banu:tinyproxy:1.5.0:rc1
* cpe:/a:banu:tinyproxy:1.5.0:rc2
* cpe:/a:banu:tinyproxy:1.5.0:rc4
* cpe:/a:banu:tinyproxy:1.5.0:rc5
* cpe:/a:banu:tinyproxy:1.5.0:rc6
* cpe:/a:banu:tinyproxy:1.5.0:rc7
* cpe:/a:banu:tinyproxy:1.5.0:rc8
* cpe:/a:banu:tinyproxy:1.5.0:rc9
* cpe:/a:banu:tinyproxy:1.5.0:rc10
* cpe:/a:banu:tinyproxy:1.5.1
* cpe:/a:banu:tinyproxy:1.5.1:pre1
* cpe:/a:banu:tinyproxy:1.5.1:pre2
* cpe:/a:banu:tinyproxy:1.5.1:pre3
* cpe:/a:banu:tinyproxy:1.5.1:pre4
* cpe:/a:banu:tinyproxy:1.5.1:pre5
* cpe:/a:banu:tinyproxy:1.5.1:pre6
* cpe:/a:banu:tinyproxy:1.5.1:rc1
* cpe:/a:banu:tinyproxy:1.5.1:rc2
* cpe:/a:banu:tinyproxy:1.5.1:rc3
* cpe:/a:banu:tinyproxy:1.5.1:rc4
* cpe:/a:banu:tinyproxy:1.5.2
* cpe:/a:banu:tinyproxy:1.5.2:rc1
* cpe:/a:banu:tinyproxy:1.5.2:rc2
* cpe:/a:banu:tinyproxy:1.5.3
* cpe:/a:banu:tinyproxy:1.5.3:rc1
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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