GraphicsMagick 1.4 snapshot-20181209 Q8 on 32-bit bmp.c ReadBMPImage BMP Image File out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

A vulnerability has been found in GraphicsMagick 1.4 snapshot-20181209 Q8 on 32-bit (Image Processing Software) and classified as critical. This vulnerability affects the function ReadBMPImage of the file bmp.c. The manipulation as part of a BMP Image File leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In GraphicsMagick 1.4 snapshot-20181209 Q8 on 32-bit platforms, there is a heap-based buffer over-read in the ReadBMPImage function of bmp.c, which allows attackers to cause a denial of service via a crafted bmp image file. This only affects GraphicsMagick installations with customized BMP limits.

The bug was discovered 12/11/2018. The weakness was shared 12/17/2018 (Website). The advisory is available at hg.graphicsmagick.org. This vulnerability was named CVE-2018-20185 since 12/17/2018. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119889 (Debian DLA-1619-1 : graphicsmagick security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171803 (SUSE Enterprise Linux Security Update for GraphicsMagick (SUSE-SU-2019:13923-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (119889) and SecurityFocus (BID 106229†).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 119889
Nessus Name: Debian DLA-1619-1 : graphicsmagick security update
Nessus File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

12/11/2018 🔍
12/17/2018 +6 days 🔍
12/17/2018 +0 days 🔍
12/17/2018 +0 days 🔍
12/17/2018 +0 days 🔍
12/18/2018 +1 days 🔍
12/27/2018 +9 days 🔍
12/28/2018 +1 days 🔍
06/19/2023 +1634 days 🔍

Sourcesinfo

Advisory: USN-4207-1
Status: Confirmed

CVE: CVE-2018-20185 (🔍)
SecurityFocus: 106229 - ImageMagick Multiple Heap Buffer Overflow Vulnerabilities

Entryinfo

Created: 12/18/2018 09:23 AM
Updated: 06/19/2023 04:46 PM
Changes: 12/18/2018 09:23 AM (76), 04/21/2020 04:57 PM (5), 06/19/2023 04:46 PM (4)
Complete: 🔍
Cache ID: 18:2D5:40

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