irssi up to 1.0.6/1.1.0 use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in irssi up to 1.0.6/1.1.0. The affected element is an unknown function. Performing a manipulation results in use after free. This vulnerability was named CVE-2018-7054. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in irssi up to 1.0.6/1.1.0 (Messaging Software). This affects some unknown functionality. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when a server is disconnected during netsplits.

The bug was discovered 02/15/2018. The weakness was presented 02/15/2018 (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2018-7054 since 02/15/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 107008 (Fedora 27 : irssi (2018-433d2dc3c7)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170873 (OpenSUSE Security Update for irssi (openSUSE-SU-2018:0475-1)).

Upgrading to version 1.0.7 or 1.1.1 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107008). See VDB-113489, VDB-113490, VDB-113491 and VDB-113492 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider 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: Use after free
CWE: CWE-416 / 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: 107008
Nessus Name: Fedora 27 : irssi (2018-433d2dc3c7)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 840674
OpenVAS Name: Fedora Update for irssi FEDORA-2018-cbc52e8812
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 1.0.7/1.1.1

Timelineinfo

02/15/2018 🔍
02/15/2018 +0 days 🔍
02/15/2018 +0 days 🔍
02/15/2018 +0 days 🔍
02/16/2018 +1 days 🔍
02/26/2018 +10 days 🔍
02/27/2018 +1 days 🔍
02/08/2023 +1807 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-433d2dc3c7
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7054 (🔍)
GCVE (CVE): GCVE-0-2018-7054
GCVE (VulDB): GCVE-100-113493

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 02/16/2018 13:01
Updated: 02/08/2023 10:53
Changes: 02/16/2018 13:01 (73), 01/06/2020 14:32 (3), 02/08/2023 10:47 (4), 02/08/2023 10:53 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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