ircII Status_Make_Printable Memory Corruption Vulnerability

BID:7098

Info

ircII Status_Make_Printable Memory Corruption Vulnerability

Bugtraq ID: 7098
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: No
Published: Mar 14 2003 12:00AM
Updated: Mar 14 2003 12:00AM
Credit: Discovery is credited to Timo Sirainen <[email protected]>.
Vulnerable: ircII Project ircII 4.4 M
ircII Project ircII 20021103
+ OpenPKG OpenPKG 1.2
ircII Project ircII 20020912
ircII Project ircII 20020403
+ OpenPKG OpenPKG 1.1
ircII Project ircII 20020322
Not Vulnerable: ircII Project ircII 20030313

Discussion

ircII Status_Make_Printable Memory Corruption Vulnerability

A buffer overflow vulnerability has been reported in ircII. The vulnerability is related to the way ircII refreshes its status bar. Some functions do not properly account for some control characters when attempting to refresh the status bar.

This issue is exploitable by a malicious IRC server that sends an overly long response to the vulnerable ircII client. As the client does not make proper checks for control characters when updating the status bar, it will result in the corruption of sensitive memory with attacker-supplied values.

This will cause the client to behave in an unpredictable manner and possibly execute attacker-supplied code.

This issue was reported in ircII build 20020912. Other versions may also be affected.

Exploit / POC

ircII Status_Make_Printable Memory Corruption Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

ircII Status_Make_Printable Memory Corruption Vulnerability

Solution:
This issue was addressed in ircII 20030313. Users are advised to upgrade.

Debian has released an advisory to address this issue. Links to updated packages are located in the advisory.


ircII Project ircII 20020912

ircII Project ircII 20020403

ircII Project ircII 20020322

ircII Project ircII 20021103

ircII Project ircII 4.4 M

References

ircII Status_Make_Printable Memory Corruption Vulnerability

References:

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