#VU36618 Buffer overflow in HDF5 - CVE-2018-17439

Vulnerability identifier: #VU36618

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-17439

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HDF5
Universal components / Libraries / Libraries used by multiple products

Vendor: HDF Group

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

An issue was discovered in the HDF HDF5 1.10.3 library. There is a stack-based buffer overflow in the function H5S_extent_get_dims() in H5S.c. Specifically, this issue occurs while converting an HDF5 file to a GIF file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

HDF5: 1.10.3

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External links
https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln5#stack-overflow-in-h5s_extent_get_dims

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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.