KDE KOffice 1.6.1 Filters klaola.cc heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in KDE KOffice 1.6.1. Affected by this vulnerability is an unknown functionality in the library filters/olefilters/lib/klaola.cc of the component Filters. Such manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2006-6120. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in KDE KOffice 1.6.1. Affected by this issue is an unknown function in the library filters/olefilters/lib/klaola.cc of the component Filters. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in the KPresenter import filter for Microsoft PowerPoint files (filters/olefilters/lib/klaola.cc) in KOffice before 1.6.1 allows user-assisted remote attackers to execute arbitrary code via a crafted PPT file, which results in a heap-based buffer overflow.

The bug was discovered 11/29/2006. The weakness was disclosed 12/03/2006 (Website). The advisory is shared for download at ubuntu.com. This vulnerability is handled as CVE-2006-6120 since 11/26/2006. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 24664 (Slackware 10.2 : koffice (SSA:2006-357-04)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117602 (CentOS Security Update for KOffice (CESA-2007:0010)).

Upgrading to version 1.6.1 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (30624), Tenable (24664), SecurityFocus (BID 21354†), OSVDB (31701†) and Secunia (SA23143†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 24664
Nessus Name: Slackware 10.2 : koffice (SSA:2006-357-04)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57755
OpenVAS Name: Slackware Advisory SSA:2006-357-04 koffice
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: KOffice 1.6.1

Timelineinfo

11/26/2006 🔍
11/29/2006 +3 days 🔍
11/29/2006 +0 days 🔍
11/29/2006 +0 days 🔍
11/30/2006 +1 days 🔍
12/03/2006 +3 days 🔍
12/03/2006 +0 days 🔍
12/18/2006 +15 days 🔍
12/23/2006 +5 days 🔍
02/18/2007 +57 days 🔍
03/12/2015 +2944 days 🔍
06/15/2025 +3748 days 🔍

Sourcesinfo

Vendor: kde.org

Advisory: ubuntu.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-6120 (🔍)
GCVE (CVE): GCVE-0-2006-6120
GCVE (VulDB): GCVE-100-33572
X-Force: 30624
SecurityFocus: 21354 - KOffice PPT Files Integer Overflow Vulnerability
Secunia: 23143
OSVDB: 31701 - KOffice - PPT Files - Integer Overflow Issue
SecurityTracker: 1017318
Vulnerability Center: 13379 - KOffice Integer Overflow in the Kpresenter Import Filter for Microsoft PowerPoint Files, Medium
Vupen: ADV-2006-4771

Entryinfo

Created: 03/12/2015 22:21
Updated: 06/15/2025 15:38
Changes: 03/12/2015 22:21 (74), 07/12/2019 09:15 (12), 06/15/2025 15:38 (18)
Complete: 🔍
Cache ID: 216::103

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