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NVD Vulnerability Details :
CVE-2012-2663
Modified
More InfoOfficial Page
Source-secalert@redhat.com
View Known Exploited Vulnerability (KEV) details
Published At-15 Feb, 2014 | 14:57
Updated At-29 Apr, 2026 | 01:13

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
netfilter
netfilter
>>iptables>>Versions up to 1.4.21(inclusive)
cpe:2.3:a:netfilter:iptables:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.spinics.net/lists/netfilter-devel/msg21248.htmlsecalert@redhat.com
Patch
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=826702secalert@redhat.com
Issue Tracking
Mitigation
Patch
Third Party Advisory
http://www.spinics.net/lists/netfilter-devel/msg21248.htmlaf854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=826702af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Mitigation
Patch
Third Party Advisory
Hyperlink: http://www.spinics.net/lists/netfilter-devel/msg21248.html
Source: secalert@redhat.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=826702
Source: secalert@redhat.com
Resource:
Issue Tracking
Mitigation
Patch
Third Party Advisory
Hyperlink: http://www.spinics.net/lists/netfilter-devel/msg21248.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=826702
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Issue Tracking
Mitigation
Patch
Third Party Advisory
Change History
0Changes found
Details not found