Use-after-free in imagemagick (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-19952
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 imagemagick (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU30500

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-19952

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to ReadOneMNGImage.

Mitigation

Install update from vendor's website.

Vulnerable software versions

imagemagick (Alpine package): 7.0.10.19-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=2332791d5416ebbe37dbcb646eb8a1b2bc08360f
https://git.alpinelinux.org/aports/commit/?id=fa08d969d9ea76754832607a9d67a116fb77088e
https://git.alpinelinux.org/aports/commit/?id=513073b4035b5fd7a7cd0a3b9b8e3b85bee244bf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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