#VU33204 Use-after-free in GraphicsMagick - CVE-2017-15238

Vulnerability identifier: #VU33204

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-15238

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GraphicsMagick
Universal components / Libraries / Libraries used by multiple products

Vendor: GraphicsMagick Group

Description

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

ReadOneJNGImage in coders/png.c in GraphicsMagick 1.3.26 has a use-after-free issue when the height or width is zero, related to ReadJNGImage.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.26

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External links
https://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=93bdb9b30076
https://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=df946910910d
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PF62B5PJA2JDUOCKJGUQO3SPL74BEYSV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHIKB4TP6KBJWT2UIPWL5MWMG5QXKGEJ/
https://sourceforge.net/p/graphicsmagick/bugs/469/
https://www.debian.org/security/2018/dsa-4321

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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.