GraphicsMagick 1.3.26 coders/map.c WriteMAPImage null pointer dereference

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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in GraphicsMagick 1.3.26. Affected is the function WriteMAPImage of the file coders/map.c. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2017-11642. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in GraphicsMagick 1.3.26 (Image Processing Software) and classified as problematic. Affected by this vulnerability is the function WriteMAPImage of the file coders/map.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

GraphicsMagick 1.3.26 has a NULL pointer dereference in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11638.

The bug was discovered 07/22/2017. The weakness was released 07/26/2017 (Website). The advisory is shared at hg.code.sf.net. This vulnerability is known as CVE-2017-11642 since 07/25/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102043 (Debian DLA-1045-1 : 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 176510 (Debian Security Update for graphicsmagick (DSA 4321-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102043) and SecurityFocus (BID 100395†). Entries connected to this vulnerability are available at VDB-102987, VDB-102992, VDB-102993 and VDB-103309. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 102043
Nessus Name: Debian DLA-1045-1 : graphicsmagick security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800516
OpenVAS Name: GraphicsMagick Multiple Vulnerabilities - Aug17 (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: 🔍

Timelineinfo

07/22/2017 🔍
07/22/2017 +0 days 🔍
07/25/2017 +3 days 🔍
07/26/2017 +1 days 🔍
07/26/2017 +0 days 🔍
07/26/2017 +0 days 🔍
07/30/2017 +4 days 🔍
07/31/2017 +1 days 🔍
12/14/2022 +1962 days 🔍

Sourcesinfo

Advisory: USN-4222-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-11642 (🔍)
GCVE (CVE): GCVE-0-2017-11642
GCVE (VulDB): GCVE-100-104521

OVAL: 🔍

SecurityFocus: 100395 - GraphicsMagick CVE-2017-11642 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/26/2017 23:38
Updated: 12/14/2022 09:00
Changes: 07/26/2017 23:38 (74), 11/01/2019 13:24 (8), 12/14/2022 09:00 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!