Freetype 2.1 numeric error

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Freetype 2.1. Impacted is an unknown function. Executing a manipulation can lead to numeric error. This vulnerability is handled as CVE-2006-0747. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Freetype 2.1 (Software Library). This vulnerability affects an unknown part. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.

The bug was discovered 06/12/2006. The weakness was released 05/23/2006 by Josh Bressers (Website). The advisory is shared for download at us-cert.gov. This vulnerability was named CVE-2006-0747 since 02/17/2006. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22068 (RHEL 2.1 / 3 / 4 : freetype (RHSA-2006:0500)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117693 (CentOS Security Update for FreeType (CESA-2006:0500)).

Upgrading to version 2.2 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (28549), Tenable (22068), SecurityFocus (BID 18326†), OSVDB (26032†) and Secunia (SA35074†). Entries connected to this vulnerability are available at VDB-3978, VDB-23858, VDB-30479 and VDB-30377. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22068
Nessus Name: RHEL 2.1 / 3 / 4 : freetype (RHSA-2006:0500)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56934
OpenVAS Name: Debian Security Advisory DSA 1095-1 (freetype)
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: Freetype 2.2

Timelineinfo

02/17/2006 🔍
05/19/2006 +91 days 🔍
05/23/2006 +4 days 🔍
05/23/2006 +0 days 🔍
06/08/2006 +16 days 🔍
06/12/2006 +4 days 🔍
06/20/2006 +8 days 🔍
07/18/2006 +28 days 🔍
07/18/2006 +0 days 🔍
07/19/2006 +1 days 🔍
05/13/2009 +1029 days 🔍
03/12/2015 +2129 days 🔍
06/21/2019 +1562 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Researcher: Josh Bressers
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-0747 (🔍)
GCVE (CVE): GCVE-0-2006-0747
GCVE (VulDB): GCVE-100-30376

OVAL: 🔍

X-Force: 28549
SecurityFocus: 18326 - FreeType TTF File Remote Buffer Overflow Vulnerability
Secunia: 35074 - Apple Mac OS X Security Update Fixes Multiple Vulnerabilities, Highly Critical
OSVDB: 26032 - CVE-2006-0747 - FreeType - Integer Underflow Issue
SecurityTracker: 1016522
Vulnerability Center: 11965 - Freetype Integer Underflow via Corrupted Font File, Medium
Vupen: ADV-2007-0381

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

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/21/2019 07:54
Changes: 03/12/2015 12:19 (89), 06/21/2019 07:54 (5)
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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