ImageMagick up to 7.0.8-7 MagickCore/log.c CheckEventLogging null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in ImageMagick up to 7.0.8-7. The affected element is the function CheckEventLogging of the file MagickCore/log.c. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2018-16328. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ImageMagick up to 7.0.8-7 (Image Processing Software). Affected by this vulnerability is the function CheckEventLogging of the file MagickCore/log.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:

In ImageMagick before 7.0.8-8, a NULL pointer dereference exists in the CheckEventLogging function in MagickCore/log.c.

The bug was discovered 07/23/2018. The weakness was released 09/01/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2018-16328 since 09/01/2018. 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 40 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117975 (openSUSE Security Update : ImageMagick (openSUSE-2018-1108)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171657 (OpenSUSE Security Update for ImageMagick (openSUSE-SU-2018:3014-1)).

Upgrading to version 7.0.8-8 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117975) and SecurityFocus (BID 105241†). Entries connected to this vulnerability are available at VDB-104397, VDB-123477, VDB-123482 and VDB-123539. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: 🔍

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Nessus ID: 117975
Nessus Name: openSUSE Security Update : ImageMagick (openSUSE-2018-1108)
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: 🔍

Upgrade: ImageMagick 7.0.8-8

Timelineinfo

07/23/2018 🔍
09/01/2018 +39 days 🔍
09/01/2018 +0 days 🔍
09/01/2018 +0 days 🔍
09/02/2018 +1 days 🔍
09/03/2018 +1 days 🔍
10/05/2018 +32 days 🔍
10/09/2018 +4 days 🔍
05/06/2023 +1670 days 🔍

Sourcesinfo

Product: imagemagick.org

Advisory: 1224
Status: Confirmed

CVE: CVE-2018-16328 (🔍)
GCVE (CVE): GCVE-0-2018-16328
GCVE (VulDB): GCVE-100-123481
SecurityFocus: 105241 - ImageMagick Multiple Heap Buffer Overflow Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/02/2018 10:23
Updated: 05/06/2023 14:17
Changes: 09/02/2018 10:23 (76), 03/19/2020 22:04 (4), 05/06/2023 14:17 (4)
Complete: 🔍
Cache ID: 216::103

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

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