Konversation up to 1.4.x/1.5.x/1.6.x/1.7.2 IRC Color data processing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Konversation up to 1.4.x/1.5.x/1.6.x/1.7.2. This issue affects some unknown processing of the component IRC Color Handler. Executing a manipulation can lead to data processing. This vulnerability is tracked as CVE-2017-15923. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Konversation up to 1.4.x/1.5.x/1.6.x/1.7.2. This vulnerability affects an unknown functionality of the component IRC Color Handler. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect availability. CVE summarizes:

Konversation 1.4.x, 1.5.x, 1.6.x, and 1.7.x before 1.7.3 allow remote attackers to cause a denial of service (crash) via vectors related to parsing of IRC color formatting codes.

The bug was discovered 11/10/2017. The weakness was disclosed 11/15/2017 (Website). The advisory is shared for download at debian.org. This vulnerability was named CVE-2017-15923 since 10/27/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104822 (Fedora 26 : konversation (2017-1f52998c8b)), 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 176212 (Debian Security Update for konversation (DSA 4033-1)).

Upgrading to version 1.7.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.kde.org. The best possible mitigation is suggested to be patching the affected component. 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 (104822). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
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: 104822
Nessus Name: Fedora 26 : konversation (2017-1f52998c8b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52654
OpenVAS Name: Debian Security Advisory DSA 4033-1 (konversation - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Konversation 1.7.3
Patch: cgit.kde.org

Timelineinfo

10/27/2017 🔍
11/10/2017 +14 days 🔍
11/15/2017 +5 days 🔍
11/15/2017 +0 days 🔍
11/16/2017 +1 days 🔍
11/28/2017 +12 days 🔍
11/29/2017 +1 days 🔍
01/10/2023 +1868 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-1f52998c8b
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-15923 (🔍)
GCVE (CVE): GCVE-0-2017-15923
GCVE (VulDB): GCVE-100-109432

OVAL: 🔍

Entryinfo

Created: 11/16/2017 10:44
Updated: 01/10/2023 13:55
Changes: 11/16/2017 10:44 (75), 12/06/2019 17:16 (2), 01/10/2023 13:49 (4), 01/10/2023 13:55 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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