irssi up to 1.0.2 DCC File memory corruption

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in irssi up to 1.0.2. This affects an unknown function of the component DCC File Handler. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2017-9469. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in irssi up to 1.0.2 (Messaging Software). This affects an unknown functionality of the component DCC File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

In Irssi before 1.0.3, when receiving certain incorrectly quoted DCC files, it tries to find the terminating quote one byte before the allocated memory. Thus, remote attackers might be able to cause a crash.

The bug was discovered 06/06/2017. The weakness was presented 06/07/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2017-9469 since 06/06/2017. 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 100853 (Debian DSA-3885-1 : 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 196811 (Ubuntu Security Notification for Irssi Vulnerabilities (USN-3317-1)).

Upgrading to version 1.0.3 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100853) and SecurityFocus (BID 99043†). See VDB-102032 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 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: 100853
Nessus Name: Debian DSA-3885-1 : irssi - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703885
OpenVAS Name: Debian Security Advisory DSA 3885-1 (irssi - security update)
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 1.0.3

Timelineinfo

06/06/2017 🔍
06/06/2017 +0 days 🔍
06/06/2017 +0 days 🔍
06/07/2017 +1 days 🔍
06/07/2017 +0 days 🔍
06/07/2017 +0 days 🔍
06/18/2017 +11 days 🔍
06/19/2017 +1 days 🔍
12/26/2020 +1286 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Joseph Bisch
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9469 (🔍)
GCVE (CVE): GCVE-0-2017-9469
GCVE (VulDB): GCVE-100-102033

OVAL: 🔍

SecurityFocus: 99043 - Irssi CVE-2017-9469 Denial of Service Vulnerability
SecurityTracker: 1038621

See also: 🔍

Entryinfo

Created: 06/07/2017 10:50
Updated: 12/26/2020 10:39
Changes: 06/07/2017 10:50 (76), 10/14/2019 09:54 (5), 12/26/2020 10:33 (3), 12/26/2020 10:39 (1)
Complete: 🔍
Cache ID: 216::103

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

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