ImageMagick 7.0.7-0 Q16 coders/sixel.c sixel_decode 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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ImageMagick 7.0.7-0 Q16. This vulnerability affects the function sixel_decode of the file coders/sixel.c. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2017-14626. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ImageMagick 7.0.7-0 Q16 (Image Processing Software). It has been declared as problematic. Affected by this vulnerability is the function sixel_decode of the file coders/sixel.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:

ImageMagick 7.0.7-0 Q16 has a NULL Pointer Dereference vulnerability in the function sixel_decode in coders/sixel.c.

The bug was discovered 09/03/2017. The weakness was published 09/21/2017 by Venustech with Adlab of Venustech (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2017-14626 since 09/21/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 18 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110516 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : imagemagick vulnerabilities (USN-3681-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176900 (Debian Security Update for imagemagick (DLA 1785-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (110516) and SecurityFocus (BID 100943†). Similar entries are available at VDB-106943, VDB-106944, VDB-107000 and VDB-107501. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: 110516
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : imagemagick vulnerabilities (USN-3681-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/03/2017 🔍
09/21/2017 +18 days 🔍
09/21/2017 +0 days 🔍
09/21/2017 +0 days 🔍
09/21/2017 +0 days 🔍
09/21/2017 +0 days 🔍
06/12/2018 +264 days 🔍
06/13/2018 +1 days 🔍
08/19/2024 +2259 days 🔍

Sourcesinfo

Product: imagemagick.org

Advisory: USN-3681-1
Researcher: ADLab (Venustech)
Organization: Adlab of Venustech
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14626 (🔍)
GCVE (CVE): GCVE-0-2017-14626
GCVE (VulDB): GCVE-100-106945
SecurityFocus: 100943 - ImageMagick CVE-2017-14626 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/21/2017 21:47
Updated: 08/19/2024 04:28
Changes: 09/21/2017 21:47 (67), 11/18/2019 14:51 (14), 01/13/2021 18:01 (3), 12/29/2022 17:20 (3), 12/29/2022 17:27 (1), 12/29/2022 17:34 (1), 08/19/2024 04:28 (18)
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 ▸

Interested in the pricing of exploits?

See the underground prices here!