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CVE-2012-6084

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Date: January 1, 2013

modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.

Language: C

Severity Score

Related Resources (9)

http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt
https://people.canonical.com/~ubuntu-security/cve/CVE-2012-6084
http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2
http://www.debian.org/security/2013/dsa-2612
http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2
http://openwall.com/lists/oss-security/2013/01/01/4
https://nvd.nist.gov/vuln/detail/CVE-2012-6084
https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch
https://www.mend.io/vulnerability-database/CVE-2012-6084

Severity Score

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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): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

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

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