KVIrc up to 4.0.2 privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability was found in KVIrc up to 4.0.2. It has been declared as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \r and \40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.

The weakness was disclosed 07/25/2010 (Website). The advisory is shared for download at svn.kvirc.de. This vulnerability was named CVE-2010-2785. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is necessary for exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 75565 (openSUSE Security Update : kvirc (openSUSE-SU-2010:0459-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118717 (Fedora Update for KVIrc (FEDORA-2010-11506)).

Upgrading to version 3.0.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (34385), Tenable (75565), SecurityFocus (BID 42026†), OSVDB (66648†) and Vulnerability Center (SBV-26707†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 75565
Nessus Name: openSUSE Security Update : kvirc (openSUSE-SU-2010:0459-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703349
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201402-20
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: KVIrc 3.0.0

Timelineinfo

07/22/2010 🔍
07/25/2010 +3 days 🔍
07/25/2010 +0 days 🔍
07/28/2010 +3 days 🔍
07/28/2010 +0 days 🔍
07/28/2010 +0 days 🔍
08/02/2010 +4 days 🔍
08/09/2010 +7 days 🔍
06/13/2014 +1404 days 🔍
03/19/2015 +279 days 🔍
01/21/2025 +3596 days 🔍

Sourcesinfo

Advisory: 4693
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2785 (🔍)
GCVE (CVE): GCVE-0-2010-2785
GCVE (VulDB): GCVE-100-54232

OVAL: 🔍

SecurityFocus: 42026 - KVIrc '\r' Carriage Return in DCC Handshake Remote Command Execution Vulnerability
Secunia: 40727
OSVDB: 66648 - KVIrc CTCP Request Failed DCC Handshake Notification Arbitrary Command Injection
Vulnerability Center: 26707 - KVIrc Kvirc 3.x and 4.x IRC Protocol Component Remote Arbitrary CTCP Command Execution Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/19/2015 02:37 PM
Updated: 01/21/2025 08:59 AM
Changes: 03/19/2015 02:37 PM (55), 03/02/2017 11:01 AM (13), 09/21/2021 02:54 PM (6), 09/21/2021 02:56 PM (1), 11/30/2024 12:58 PM (26), 01/21/2025 08:59 AM (2)
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Cache ID: 18:E32:40

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