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CVE-2012-2663

Date: February 15, 2014

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.

Language: C

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2012-2663
https://access.redhat.com/security/cve/CVE-2012-2663
https://bugzilla.redhat.com/show_bug.cgi?id=826702
https://nvd.nist.gov/vuln/detail/CVE-2012-2663
http://www.spinics.net/lists/netfilter-devel/msg21248.html
https://www.mend.io/vulnerability-database/CVE-2012-2663

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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