Ghostscript base/gxipixel.c gx_image_enum_begin use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Ghostscript and classified as critical. Impacted is the function gx_image_enum_begin of the file base/gxipixel.c. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2017-6196. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Ghostscript (Document Processing Software) (the affected version is unknown). It has been declared as critical. This vulnerability affects the function gx_image_enum_begin of the file base/gxipixel.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple use-after-free vulnerabilities in the gx_image_enum_begin function in base/gxipixel.c in Ghostscript before ecceafe3abba2714ef9b432035fe0739d9b1a283 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted PostScript document.

The bug was discovered 02/24/2017. The weakness was shared 02/24/2017 as confirmed git commit (GIT Repository). The advisory is available at git.ghostscript.com. This vulnerability was named CVE-2017-6196 since 02/22/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 102618 (GLSA-201708-06 : GPL Ghostscript: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Applying the patch ecceafe3abba2714ef9b432035fe0739d9b1a283 is able to eliminate this problem. The bugfix is ready for download at git.ghostscript.com. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102618), SecurityFocus (BID 96428†) and SecurityTracker (ID 1037899†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102618
Nessus Name: GLSA-201708-06 : GPL Ghostscript: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703397
OpenVAS Name: Fedora Update for ghostscript FEDORA-2017-c9b0c406b3
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: ecceafe3abba2714ef9b432035fe0739d9b1a283

Timelineinfo

02/22/2017 🔍
02/23/2017 +1 days 🔍
02/24/2017 +1 days 🔍
02/24/2017 +0 days 🔍
02/24/2017 +0 days 🔍
02/24/2017 +0 days 🔍
02/24/2017 +0 days 🔍
08/21/2017 +178 days 🔍
08/21/2017 +0 days 🔍
08/18/2020 +1093 days 🔍

Sourcesinfo

Advisory: git.ghostscript.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6196 (🔍)
GCVE (CVE): GCVE-0-2017-6196
GCVE (VulDB): GCVE-100-97234
SecurityFocus: 96428 - Ghostscript 'base/gxipixel.c' Multiple Denial of Service Vulnerabilities
OSVDB: - CVE-2017-6196 - Ghostscript - Multiple Use-After-Free Issues
SecurityTracker: 1037899

Entryinfo

Created: 02/24/2017 10:40
Updated: 08/18/2020 06:33
Changes: 02/24/2017 10:40 (79), 08/18/2020 06:33 (6)
Complete: 🔍
Cache ID: 216:376:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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