CVE-2020-13902 : ImageMagick 7.0.9-27 through 7.0.10-17 has a heap-based buffer over-read in Blob

ImageMagick 7.0.9-27 through 7.0.10-17 has a heap-based buffer over-read in BlobToStringInfo in MagickCore/string.c during TIFF image decoding.

Published 2020-06-07 18:15:10

Updated 2020-06-10 14:39:33

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-13902

Imagemagick » Imagemagick
Versions from including (>=) 7.0.9-27 and up to, including, (<=) 7.0.10-17
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.30%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 50 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:P	8.6	4.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: Partial
7.1	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H	1.8	5.2	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20920

20920 - imagemagick:encoder_tiff_fuzzer: Heap-buffer-overflow in BlobToStringInfo - oss-fuzz
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