irsii up to 1.0.6/1.1.0 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in irsii up to 1.0.6/1.1.0. It has been rated as problematic. This issue affects some unknown processing. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2018-7052. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in irsii up to 1.0.6/1.1.0. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. When the number of windows exceeds the available space, a crash due to a NULL pointer dereference would occur.

The bug was discovered 02/15/2018. The weakness was released 02/15/2018 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2018-7052 since 02/15/2018. 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 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). Entries connected to this vulnerability are available at VDB-113489, VDB-113490, VDB-113492 and VDB-113493. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: irsii 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-2018-7052 (🔍)
GCVE (CVE): GCVE-0-2018-7052
GCVE (VulDB): GCVE-100-113491

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 02/16/2018 13:01
Updated: 02/08/2023 10:30
Changes: 02/16/2018 13:01 (72), 01/06/2020 14:06 (3), 02/08/2023 10:24 (4), 02/08/2023 10:30 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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