GraphicsMagick up to 1.3.27 Image File magick/pixel_cache.c AcquireCacheNexus memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in GraphicsMagick up to 1.3.27. The impacted element is the function AcquireCacheNexus of the file magick/pixel_cache.c of the component Image File Handler. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2018-6799. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in GraphicsMagick up to 1.3.27 (Image Processing Software). It has been rated as critical. Affected by this issue is the function AcquireCacheNexus of the file magick/pixel_cache.c of the component Image File Handler. 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. CVE summarizes:

The AcquireCacheNexus function in magick/pixel_cache.c in GraphicsMagick before 1.3.28 allows remote attackers to cause a denial of service (heap overwrite) or possibly have unspecified other impact via a crafted image file, because a pixel staging area is not used.

The bug was discovered 02/06/2018. The weakness was disclosed 02/07/2018 (Website). The advisory is available at hg.graphicsmagick.org. This vulnerability is handled as CVE-2018-6799 since 02/06/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106809 (Debian DLA-1282-1 : graphicsmagick security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171139 (OpenSUSE Security Update for GraphicsMagick (openSUSE-SU-2018:1123-1)).

Upgrading to version 1.3.28 eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106809) and SecurityFocus (BID 102981†). The entries VDB-103712, VDB-104516, VDB-104517 and VDB-104520 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Image Processing Software

Name

• GraphicsMagick

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3
• 1.3.4
• 1.3.5
• 1.3.6
• 1.3.7
• 1.3.8
• 1.3.9
• 1.3.10
• 1.3.11
• 1.3.12
• 1.3.13
• 1.3.14
• 1.3.15
• 1.3.16
• 1.3.17
• 1.3.18
• 1.3.19
• 1.3.20
• 1.3.21
• 1.3.22
• 1.3.23
• 1.3.24
• 1.3.25
• 1.3.26
• 1.3.27

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 106809
Nessus Name: Debian DLA-1282-1 : graphicsmagick security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 702836
OpenVAS Name: GraphicsMagick Denial of Service Vulnerability (Windows)
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: GraphicsMagick 1.3.28

Timelineinfo

02/06/2018 🔍
02/06/2018 +0 days 🔍
02/07/2018 +1 days 🔍
02/07/2018 +0 days 🔍
02/07/2018 +0 days 🔍
02/08/2018 +1 days 🔍
02/14/2018 +6 days 🔍
02/14/2018 +0 days 🔍
02/03/2023 +1815 days 🔍

Sourcesinfo

Advisory: DLA 1282-1
Researcher: Bob Friesenhahn
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6799 (🔍)
GCVE (CVE): GCVE-0-2018-6799
GCVE (VulDB): GCVE-100-112922

OVAL: 🔍

SecurityFocus: 102981 - GraphicsMagick CVE-2018-6799 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/07/2018 08:37
Updated: 02/03/2023 18:37
Changes: 02/07/2018 08:37 (79), 01/02/2020 11:26 (6), 02/02/2021 16:43 (2), 02/03/2023 18:37 (3)
Complete: 🔍
Cache ID: 216:D39:103

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

Discussion

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