ImageMagick MagickCore/enhance.c ContrastStretchImage out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in ImageMagick. This vulnerability affects the function ContrastStretchImage of the file MagickCore/enhance.c. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2016-6520. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in ImageMagick (Image Processing Software) (the affected version is unknown). This affects the function ContrastStretchImage of the file MagickCore/enhance.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in MagickCore/enhance.c in ImageMagick before 7.0.2-7 allows remote attackers to have unspecified impact via vectors related to pixel cache morphology.

The weakness was presented 08/01/2016 by Ibrahim el-sayed as confirmed git commit (GitHub). It is possible to read the advisory at github.com. The public release was coordinated in cooperation with the project team. This vulnerability is uniquely identified as CVE-2016-6520 since 08/02/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 93105 (openSUSE Security Update : ImageMagick (openSUSE-2016-1016)), 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 169071 (SUSE Enterprise Linux Security Update for ImageMagick (SUSE-SU-2016:2076-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. The vulnerability will be addressed with the following lines of code:

if (SyncImagePixelCache(image,exception) == MagickFalse)
  return(MagickFalse);

The vulnerability is also documented in the databases at Tenable (93105) and SecurityTracker (ID 1036502†). See VDB-3330, VDB-3331, VDB-3332 and VDB-24228 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.1
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 93105
Nessus Name: openSUSE Security Update : ImageMagick (openSUSE-2016-1016)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881587
OpenVAS Name: ImageMagick ContrastStretchImage() Buffer Overflow Vulnerability (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: github.com

Timelineinfo

08/01/2016 🔍
08/01/2016 +0 days 🔍
08/02/2016 +1 days 🔍
08/02/2016 +0 days 🔍
08/03/2016 +1 days 🔍
08/25/2016 +22 days 🔍
12/13/2016 +110 days 🔍
09/09/2022 +2096 days 🔍

Sourcesinfo

Product: imagemagick.org

Advisory: 76401e172ea3a55182be2b8e2aca4d07270f6da6
Researcher: Ibrahim el-sayed
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-6520 (🔍)
GCVE (CVE): GCVE-0-2016-6520
GCVE (VulDB): GCVE-100-90423
SecurityTracker: 1036502

See also: 🔍

Entryinfo

Created: 08/03/2016 10:22
Updated: 09/09/2022 16:35
Changes: 08/03/2016 10:22 (72), 03/16/2019 14:34 (10), 09/09/2022 16:35 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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