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Vulnerability Details : CVE-2012-2663

extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets. NOTE: the CVE-2012-6638 fix makes this issue less relevant.
Publish Date : 2014-02-15 Last Update Date : 2014-02-18
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 20

- Products Affected By CVE-2012-2663

# Product Type Vendor Product Version Update Edition Language
1 Application Netfilter Core Team Iptables 1.4.0 Version Details Vulnerabilities
2 Application Netfilter Core Team Iptables 1.4.1 Version Details Vulnerabilities
3 Application Netfilter Core Team Iptables 1.4.2 Version Details Vulnerabilities
4 Application Netfilter Core Team Iptables 1.4.3 Version Details Vulnerabilities
5 Application Netfilter Core Team Iptables 1.4.3.1 Version Details Vulnerabilities
6 Application Netfilter Core Team Iptables 1.4.3.2 Version Details Vulnerabilities
7 Application Netfilter Core Team Iptables 1.4.4 Version Details Vulnerabilities
8 Application Netfilter Core Team Iptables 1.4.5 Version Details Vulnerabilities
9 Application Netfilter Core Team Iptables 1.4.6 Version Details Vulnerabilities
10 Application Netfilter Core Team Iptables 1.4.7 Version Details Vulnerabilities
11 Application Netfilter Core Team Iptables 1.4.8 Version Details Vulnerabilities
12 Application Netfilter Core Team Iptables 1.4.9 Version Details Vulnerabilities
13 Application Netfilter Core Team Iptables 1.4.9.1 Version Details Vulnerabilities
14 Application Netfilter Core Team Iptables 1.4.10 Version Details Vulnerabilities
15 Application Netfilter Core Team Iptables 1.4.11 Version Details Vulnerabilities
16 Application Netfilter Core Team Iptables 1.4.11.1 Version Details Vulnerabilities
17 Application Netfilter Core Team Iptables 1.4.12 Version Details Vulnerabilities
18 Application Netfilter Core Team Iptables 1.4.12.1 Version Details Vulnerabilities
19 Application Netfilter Core Team Iptables 1.4.12.2 Version Details Vulnerabilities
20 Application Netfilter Core Team Iptables 1.4.13 Version Details Vulnerabilities
21 Application Netfilter Core Team Iptables 1.4.14 Version Details Vulnerabilities
22 Application Netfilter Core Team Iptables 1.4.15 Version Details Vulnerabilities
23 Application Netfilter Core Team Iptables 1.4.16 Version Details Vulnerabilities
24 Application Netfilter Core Team Iptables 1.4.16.1 Version Details Vulnerabilities
25 Application Netfilter Core Team Iptables 1.4.16.2 Version Details Vulnerabilities
26 Application Netfilter Core Team Iptables 1.4.16.3 Version Details Vulnerabilities
27 Application Netfilter Core Team Iptables 1.4.17 Version Details Vulnerabilities
28 Application Netfilter Core Team Iptables 1.4.18 Version Details Vulnerabilities
29 Application Netfilter Core Team Iptables 1.4.19 Version Details Vulnerabilities
30 Application Netfilter Core Team Iptables 1.4.19.1 Version Details Vulnerabilities
31 Application Netfilter Core Team Iptables 1.4.20 Version Details Vulnerabilities
32 Application Netfilter Core Team Iptables 1.4.21 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Netfilter Core Team Iptables 32

- References For CVE-2012-2663

https://bugzilla.redhat.com/show_bug.cgi?id=826702 CONFIRM
http://www.spinics.net/lists/netfilter-devel/msg21248.html
MLIST [netfilter-devel] 20120330 Re: `iptables -m tcp --syn` doesn't do what the man says

- Metasploit Modules Related To CVE-2012-2663

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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