Ghostscript 8.61 cf_decode_2d memory corruption

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

Summaryinfo

A vulnerability was found in Ghostscript 8.61. It has been rated as critical. This affects the function cf_decode_2d. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2007-6725. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Ghostscript 8.61 (Document Processing Software). This issue affects the function cf_decode_2d. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The CCITTFax decoding filter in Ghostscript 8.60, 8.61, and possibly other versions, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PDF file that triggers a buffer underflow in the cf_decode_2d function.

The bug was discovered 12/22/2008. The weakness was released 04/08/2009 with Red Hat as Bug 493442 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2007-6725 since 04/08/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 107 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 67840 (Oracle Linux 3 / 4 : ghostscript (ELSA-2009-0420)), 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 155930 (Oracle Enterprise Linux Update for Ghostscript (ELSA-2009-0421)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49626), Tenable (67840), SecurityFocus (BID 34337†), OSVDB (53618†) and Secunia (SA34726†). Entries connected to this vulnerability are available at VDB-47771, VDB-47710 and VDB-47622. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 67840
Nessus Name: Oracle Linux 3 / 4 : ghostscript (ELSA-2009-0420)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 67835
OpenVAS Name: Debian Security Advisory DSA 2080-1 (ghostscript)
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

12/22/2008 🔍
12/22/2008 +0 days 🔍
04/01/2009 +100 days 🔍
04/08/2009 +7 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/14/2009 +6 days 🔍
04/15/2009 +1 days 🔍
04/20/2009 +5 days 🔍
07/12/2013 +1544 days 🔍
03/17/2015 +613 days 🔍
09/01/2019 +1629 days 🔍

Sourcesinfo

Advisory: Bug 493442
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-6725 (🔍)
GCVE (CVE): GCVE-0-2007-6725
GCVE (VulDB): GCVE-100-47621

OVAL: 🔍

X-Force: 49626
SecurityFocus: 34337 - Ghostscript 'CCITTFax' Decoding Filter Denial of Service Vulnerability
Secunia: 34726
OSVDB: 53618 - CVE-2007-6725 - Ghostscript - Denial of Service Issue
Vulnerability Center: 21634 - Ghostscript < 8.64 CCITTFax Decoding Filter Remote Code Execution or DoS Vulnerability, Medium
Vupen: ADV-2009-1708

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

Entryinfo

Created: 03/17/2015 23:38
Updated: 09/01/2019 20:30
Changes: 03/17/2015 23:38 (86), 09/01/2019 20:30 (5)
Complete: 🔍
Cache ID: 216:840:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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