OpenBSD 3.9/4.0 bdfread.c bdfreadcharacters numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in OpenBSD 3.9/4.0. The affected element is the function bdfreadcharacters of the file bdfread.c. Such manipulation leads to numeric error. This vulnerability is referenced as CVE-2007-1351. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenBSD 3.9/4.0 (Operating System). Affected by this issue is the function bdfreadcharacters of the file bdfread.c. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in the bdfReadCharacters function in bdfread.c in (1) X.Org libXfont before 20070403 and (2) freetype 2.3.2 and earlier allows remote authenticated users to execute arbitrary code via crafted BDF fonts, which result in a heap overflow.

The weakness was published 04/05/2007 by iDefense with iDEFENSE (Website). The advisory is shared for download at labs.idefense.com. This vulnerability is handled as CVE-2007-1351 since 03/08/2007. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 67469 (Oracle Linux 3 / 4 : freetype (ELSA-2007-0150)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156174 (Oracle Enterprise Linux Update for xorg-x11 (ELSA-2007-0126)).

Upgrading 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 X-Force (33417), Tenable (67469), SecurityFocus (BID 23283†), OSVDB (34918†) and Secunia (SA24741†). Similar entries are available at VDB-35842, VDB-36021 and VDB-36018. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.9
VulDB Temp Score: 8.9
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: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67469
Nessus Name: Oracle Linux 3 / 4 : freetype (ELSA-2007-0150)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 60109
OpenVAS Name: Debian Security Advisory DSA 1454-1 (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: 🔍

Timelineinfo

03/08/2007 🔍
04/03/2007 +26 days 🔍
04/03/2007 +0 days 🔍
04/03/2007 +0 days 🔍
04/04/2007 +1 days 🔍
04/05/2007 +1 days 🔍
04/05/2007 +0 days 🔍
04/10/2007 +5 days 🔍
04/16/2007 +6 days 🔍
07/12/2013 +2279 days 🔍
03/13/2015 +609 days 🔍
07/17/2019 +1587 days 🔍

Sourcesinfo

Advisory: labs.idefense.com⛔
Researcher: iDefense
Organization: iDEFENSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1351 (🔍)
GCVE (CVE): GCVE-0-2007-1351
GCVE (VulDB): GCVE-100-36020

OVAL: 🔍

X-Force: 33417
SecurityFocus: 23283 - X.Org LibXFont Multiple Local Integer Overflow Vulnerabilities
Secunia: 24741 - X.Org X11 Multiple Vulnerabilities, Less Critical
OSVDB: 34918 - X.Org X11 libXfont bdfReadCharacters Function BDF Font Handling Overflow
SecurityTracker: 1017857
Vulnerability Center: 14787 - X.Org libXfont and Freetype bdfReadCharacters Function Integer Overflow via Crafted BDF Fonts, Medium
Vupen: ADV-2007-1217

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/17/2019 16:10
Changes: 03/13/2015 14:56 (88), 07/17/2019 16:10 (4)
Complete: 🔍
Cache ID: 216:539:103

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