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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200410-13] BNC: Input validation flaw

Vulnerability Assessment Details

[GLSA-200410-13] BNC: Input validation flaw

Vulnerability Assessment Summary
BNC: Input validation flaw

Detailed Explanation for this Vulnerability Assessment
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.

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

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"

Network Security Threat Level: Medium

Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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