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.

CVSS v2.0 7.5 HIGH

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.spinics.net/lists/netfilter-devel/msg21248.html	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=826702	Issue Tracking Mitigation Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:netfilter:iptables:*:*:*:*:*:*:*:*

Information

Published : 2014-02-15 06:57

Updated : 2023-02-12 16:25

NVD link : CVE-2012-2663

Mitre link : CVE-2012-2663

JSON object : View

CWE

NVD-CWE-noinfo

Products Affected

netfilter

iptables

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.spinics.net/lists/netfilter-devel/msg21248.html", "name": "[netfilter-devel] 20120330 Re: `iptables -m tcp --syn` doesn't do what the man says", "tags": ["Patch", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=826702", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=826702", "tags": ["Issue Tracking", "Mitigation", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2012-2663", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2014-02-15T14:57Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:netfilter:iptables:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.4.21"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-13T00:25Z"}

7.5 /10