irssi up to 1.0.5 variable format string

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in irssi up to 1.0.5. This affects an unknown part. Performing a manipulation of the argument variable as part of Argument results in format string. This vulnerability is known as CVE-2018-5207. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in irssi up to 1.0.5 (Messaging Software). This affects an unknown code. The manipulation of the argument variable as part of a Argument leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

When using an incomplete variable argument, Irssi before 1.0.6 may access data beyond the end of the string.

The bug was discovered 01/03/2018. The weakness was published 01/06/2018 (Website). The advisory is shared at irssi.org. This vulnerability is uniquely identified as CVE-2018-5207 since 01/03/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105716 (openSUSE Security Update : irssi (openSUSE-2018-18)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170670 (OpenSUSE Security Update for irssi (openSUSE-SU-2018:0058-1)).

Upgrading to version 1.0.6 eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (105716). Similar entries are available at VDB-111463, VDB-111464 and VDB-111466. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105716
Nessus Name: openSUSE Security Update : irssi (openSUSE-2018-18)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100396
OpenVAS Name: Fedora Update for irssi FEDORA-2018-c4e4935e01
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: irssi 1.0.6

Timelineinfo

01/03/2018 🔍
01/03/2018 +0 days 🔍
01/06/2018 +3 days 🔍
01/06/2018 +0 days 🔍
01/08/2018 +2 days 🔍
01/09/2018 +1 days 🔍
01/10/2018 +1 days 🔍
12/20/2019 +709 days 🔍

Sourcesinfo

Advisory: irssi.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5207 (🔍)
GCVE (CVE): GCVE-0-2018-5207
GCVE (VulDB): GCVE-100-111465

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 01/08/2018 15:20
Updated: 12/20/2019 10:47
Changes: 01/08/2018 15:20 (75), 12/20/2019 10:47 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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