SB2007100601 - Denial of service in dircproxy

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2007-5226)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in irc_server.c in dircproxy. A remote attacker can trigger denial of service conditions via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://dircproxy.securiweb.net/ticket/89
• https://bugzilla.redhat.com/show_bug.cgi?id=319301