irssi 0.8.17/0.8.18/0.8.19/0.8.20 ANSI x8 Color Code out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in irssi 0.8.17/0.8.18/0.8.19/0.8.20. Impacted is an unknown function of the component ANSI x8 Color Code Handler. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2017-5195. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in irssi 0.8.17/0.8.18/0.8.19/0.8.20 (Messaging Software) and classified as problematic. Affected by this issue is an unknown part of the component ANSI x8 Color Code Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

Irssi 0.8.17 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ANSI x8 color code.

The bug was discovered 03/03/2017. The weakness was published 03/03/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2017-5195 since 01/06/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 96322 (FreeBSD : Irssi -- multiple vulnerabilities (3d6be69b-d365-11e6-a071-001e67f15f5a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169646 (OpenSuSE Security Update for irssi (openSUSE-SU-2017:0093-1)).

Upgrading to version 0.8.21 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96322) and SecurityFocus (BID 95310†). Similar entries are available at VDB-97518, VDB-97519, VDB-97521 and VDB-97522. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Name

Version

License

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: Out-of-bounds
CWE: CWE-125 / 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: 96322
Nessus Name: FreeBSD : Irssi -- multiple vulnerabilities (3d6be69b-d365-11e6-a071-001e67f15f5a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for irssi FEDORA-2017-d2e7217e2a
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: irssi 0.8.21

Timelineinfo

01/05/2017 🔍
01/05/2017 +0 days 🔍
01/06/2017 +1 days 🔍
01/06/2017 +0 days 🔍
03/03/2017 +56 days 🔍
03/03/2017 +0 days 🔍
03/03/2017 +0 days 🔍
03/04/2017 +1 days 🔍
09/03/2020 +1279 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5195 (🔍)
GCVE (CVE): GCVE-0-2017-5195
GCVE (VulDB): GCVE-100-97520
SecurityFocus: 95310 - Irssi Multiple Memory Corruption Vulnerabilities
OSVDB: - CVE-2017-5195 - Irssi - Out-of-Bounds Read Issue

See also: 🔍

Entryinfo

Created: 03/04/2017 13:56
Updated: 09/03/2020 20:37
Changes: 03/04/2017 13:56 (74), 09/03/2020 20:37 (5)
Complete: 🔍
Cache ID: 216::103

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