Information disclosure in ImageMagick



Published: 2020-06-07 | Updated: 2020-06-29
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-13902
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		ImageMagick
Client/Desktop applications / Multimedia software

Vendor ImageMagick.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU29368

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-13902

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to heap-based buffer over-read in "BlobToStringInfo" in "MagickCore/string.c" during TIFF image decoding. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.10-0 - 7.0.10-17, 7.0.9-27

CPE2.3 External links

http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20920
http://github.com/ImageMagick/ImageMagick/discussions/2132
http://github.com/ImageMagick/ImageMagick/commit/824f344ceb823e156ad6e85314d79c087933c2a0

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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