A vulnerability was found in irssi 0.8.4 (Messaging Software). It has been declared as very critical. Affected by this vulnerability is some unknown functionality of the component Configuration File. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

irssi IRC client 0.8.4, when downloaded after 14-March-2002, could contain a backdoor in the configuration file, which allows remote attackers to access the system.

The weakness was presented 12/31/2002 (Website). It is possible to read the advisory at online.securityfocus.com. This vulnerability is known as CVE-2002-1840 since 06/29/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/10/2018). The attack technique deployed by this issue is T1588.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Messaging Software

Name

• irssi

Version

• 0.8.4

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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