CVE-2011-1499

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.

• CWE-16

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493Issue Tracking, Patch
• http://openwall.com/lists/oss-security/2011/04/07/9Mailing List, Third Party Advisory
• http://openwall.com/lists/oss-security/2011/04/08/3Mailing List, Third Party Advisory
• http://secunia.com/advisories/44274
• http://www.debian.org/security/2011/dsa-2222Third Party Advisory
• https://banu.com/bugzilla/show_bug.cgi?id=90Broken Link
• https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4Broken Link
• https://bugzilla.redhat.com/show_bug.cgi?id=694658Issue Tracking, Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/67256
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493Issue Tracking, Patch
• http://openwall.com/lists/oss-security/2011/04/07/9Mailing List, Third Party Advisory
• http://openwall.com/lists/oss-security/2011/04/08/3Mailing List, Third Party Advisory
• http://secunia.com/advisories/44274
• http://www.debian.org/security/2011/dsa-2222Third Party Advisory
• https://banu.com/bugzilla/show_bug.cgi?id=90Broken Link
• https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4Broken Link
• https://bugzilla.redhat.com/show_bug.cgi?id=694658Issue Tracking, Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/67256

Published

Apr 29, 2011

Last Modified

Jun 16, 2026

Status

Modified

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