irssi up to 0.8.17 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in irssi up to 0.8.17. This affects an unknown part. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2016-7044. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in irssi up to 0.8.17 (Messaging Software) and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

The unformat_24bit_color function in the format parsing code in Irssi before 0.8.20, when compiled with true-color enabled, allows remote attackers to cause a denial of service (heap corruption and crash) via an incomplete 24bit color code.

The weakness was released 09/21/2016 by Gabriel Campana and Adrien Guinet as DSA-3672-1 as confirmed mailinglist post (Bugtraq). The advisory is shared at seclists.org. The public release was coordinated with the project team. The identification of this vulnerability is CVE-2016-7044 since 08/23/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 93621 (Debian DSA-3672-1 : irssi - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169272 (OpenSuSE Security Update for irssi (openSUSE-SU-2016:2524-1)).

Upgrading to version 0.8.17-1+deb8u1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (93621). Entries connected to this vulnerability are available at VDB-91842 and VDB-97323. 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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: 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: 93621
Nessus Name: Debian DSA-3672-1 : irssi - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 861796
OpenVAS Name: Fedora Update for irssi FEDORA-2016-a64716084e
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 0.8.17-1+deb8u1

Timelineinfo

08/23/2016 🔍
09/21/2016 +29 days 🔍
09/21/2016 +0 days 🔍
09/22/2016 +1 days 🔍
09/22/2016 +0 days 🔍
09/27/2016 +5 days 🔍
09/19/2022 +2183 days 🔍

Sourcesinfo

Advisory: DSA-3672-1
Researcher: Gabriel Campana, Adrien Guinet
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-7044 (🔍)
GCVE (CVE): GCVE-0-2016-7044
GCVE (VulDB): GCVE-100-91841

OVAL: 🔍

SecurityTracker: 1036868

See also: 🔍

Entryinfo

Created: 09/22/2016 18:03
Updated: 09/19/2022 15:01
Changes: 09/22/2016 18:03 (68), 04/23/2019 17:53 (11), 09/19/2022 15:01 (4)
Complete: 🔍
Cache ID: 216::103

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

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