ImageMagick up to 7.0.8 MagickCore/statistic.c integer overflow

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CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

A vulnerability was found in ImageMagick up to 7.0.8 (Image Processing Software). It has been rated as problematic. Affected by this issue is some unknown processing of the file MagickCore/statistic.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-190. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in ImageMagick in MagickCore/statistic.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of a too large shift for 64-bit type `ssize_t`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0.

The weakness was released 12/05/2020. The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2020-27774 since 10/27/2020. Access to the local network is required for this attack to succeed. Required for exploitation is a simple authentication. Technical details are known, but there is no available exploit.

Upgrading to version 7.0.9-0 eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔒

CVSSv2infoedit

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-190
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ImageMagick 7.0.9-0

Timelineinfoedit

10/27/2020 CVE assigned
12/05/2020 +39 days Advisory disclosed
12/05/2020 +0 days VulDB entry created
12/12/2020 +7 days VulDB last update

Sourcesinfoedit

Product: https://www.imagemagick.org/

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-27774 (🔒)

Entryinfoedit

Created: 12/05/2020 10:21 AM
Updated: 12/12/2020 10:38 PM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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