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GLSA-200410-13 : BNC: Input validation flaw

high Nessus Plugin ID 15476

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200410-13 (BNC: Input validation flaw)

 A flaw exists in the input parsing of BNC where part of the sbuf_getmsg() function handles the backspace character incorrectly.
 Impact :

 A remote user could issue commands using fake authentication credentials and possibly gain access to scripts running on the client side.
 Workaround :

 There is no known workaround at this time.

Solution

All BNC users should upgrade to the latest version:
 # emerge sync # emerge -pv '>=net-irc/bnc-2.8.9' # emerge '>=net-irc/bnc-2.8.9'

See Also

http://www.gotbnc.com/changes.html#2.8.9

https://security.gentoo.org/glsa/200410-13

Plugin Details

Severity: High

ID: 15476

File Name: gentoo_GLSA-200410-13.nasl

Version: 1.16

Type: local

Published: 10/15/2004

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bnc, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 10/15/2004

Vulnerability Publication Date: 10/9/2004

Reference Information

CVE: CVE-2004-1482

GLSA: 200410-13