Debian ipmasq Insecure Filtering Rules - Secunia Advisories - Vulnerability Intelligence

Debian ipmasq Insecure Filtering Rules
Secunia Advisory:	SA9803	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2003-09-22
Popularity:	7,447 views

Critical:	Moderately critical
Impact:	Security Bypass
Where:	From remote
Solution Status:	Vendor Patch

OS:	Debian GNU/Linux 3.0 Debian GNU/Linux unstable alias sid

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2003-0785

Description: Debian has reported a vulnerability in ipmasq, which can be exploited by malicious people to send traffic to systems, which should be restricted by the firewall. Reportedly, the vulnerability is caused due to improper filtering rules. Inbound packets received on the external interface and addressed for an internal host are forwared to the host regardless of whether they are associated with an established connection or not. Solution: Updated packages: -- Debian GNU/Linux 3.0 alias woody -- Source archives: http://security.debian.org/pool/updates/main/i/ipmasq/ipmasq_3.5.10c.dsc Size/MD5 checksum: 502 f5f259d819d47b687c3da42d931b1404 http://security.debian.org/pool/updates/main/i/ipmasq/ipmasq_3.5.10c.tar.gz Size/MD5 checksum: 30656 e9a9a1f86bd88dcceaeba900698165bb Architecture independent components: http://security.debian.org/pool/updates/main/i/ipmasq/ipmasq_3.5.10c_all.deb Size/MD5 checksum: 47748 199a747d5c48c145cf34772f26cbba4d -- Debian GNU/Linux unstable alias sid -- Fixed in version 3.5.12. Original Advisory: http://www.debian.org/security/2003/dsa-389

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