#VU37769 Division by zero in HDF5 - CVE-2017-17508

Vulnerability identifier: #VU37769

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-2017-17508

CWE-ID: CWE-369

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 attacker to perform denial of service attack.

The vulnerability exists due to division by zero error when processing untrusted input in the H5T.c file in libhdf5.a. For example, h5dump would crash when someone opens a crafted hdf5 file. A remote attacker can perform denial of service attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

HDF5: 1.10.1

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External links
https://github.com/xiaoqx/pocs/tree/master/hdf5/readme.md

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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.