ImageMagick up to 6.9.2-3 magick/constitute.c WriteImages null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in ImageMagick up to 6.9.2-3. Affected by this issue is the function WriteImages of the file magick/constitute.c. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2015-8898. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in ImageMagick up to 6.9.2-3 (Image Processing Software). This affects the function WriteImages of the file magick/constitute.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The WriteImages function in magick/constitute.c in ImageMagick before 6.9.2-4 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted image file.

The bug was discovered 01/17/2016. The weakness was released 03/15/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2015-8898 since 06/02/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 152 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 91712 (Scientific Linux Security Update : ImageMagick on SL6.x, SL7.x i386/x86_64 (20160617)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Scientific Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 256033 (CentOS Security Update for ImageMagick (CESA-2016:1237)).

Upgrading to version 6.9.2-4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91712) and SecurityFocus (BID 91039†). Entries connected to this vulnerability are available at VDB-97322, VDB-98117, VDB-98118 and VDB-98119. 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: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 5.5
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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91712
Nessus Name: Scientific Linux Security Update : ImageMagick on SL6.x, SL7.x i386/x86_64 (20160617)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803300
OpenVAS Name: SuSE Update for ImageMagick openSUSE-SU-2016:1748-1 (ImageMagick)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ImageMagick 6.9.2-4

Timelineinfo

01/17/2016 🔍
06/02/2016 +137 days 🔍
06/02/2016 +0 days 🔍
06/17/2016 +15 days 🔍
06/20/2016 +3 days 🔍
03/15/2017 +268 days 🔍
03/15/2017 +0 days 🔍
03/16/2017 +1 days 🔍
03/16/2017 +0 days 🔍

Sourcesinfo

Product: imagemagick.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8898 (🔍)
GCVE (CVE): GCVE-0-2015-8898
GCVE (VulDB): GCVE-100-98121
SecurityFocus: 91039 - ImageMagick CVE-2015-8898 Denial of Service Vulnerability
OSVDB: - CVE-2015-8898 - ImageMagick - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/16/2017 13:24
Changes: 03/16/2017 13:24 (81)
Complete: 🔍
Cache ID: 216:85C:103

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

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