irssi up to 1.0.5 Completion memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in irssi up to 1.0.5. This vulnerability affects unknown code of the component Completion. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2018-5208. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in irssi up to 1.0.5 (Messaging Software). This vulnerability affects an unknown code block of the component Completion. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Irssi before 1.0.6, a calculation error in the completion code could cause a heap buffer overflow when completing certain strings.

The bug was discovered 01/03/2018. The weakness was released 01/06/2018 (Website). The advisory is available at irssi.org. This vulnerability was named CVE-2018-5208 since 01/03/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not 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). Entries connected to this vulnerability are available at VDB-111463, VDB-111464 and VDB-111465. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
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: Memory corruption
CWE: 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-2018-5208 (🔍)
GCVE (CVE): GCVE-0-2018-5208
GCVE (VulDB): GCVE-100-111466

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 01/08/2018 15:20
Updated: 12/20/2019 10:54
Changes: 01/08/2018 15:20 (74), 12/20/2019 10:54 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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