#VU36768 Resource exhaustion in HDF5 - CVE-2018-15671

Vulnerability identifier: #VU36768

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-2018-15671

CWE-ID: CWE-400

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 1.10.2 library. Excessive stack consumption has been detected in the function H5P__get_cb() in H5Pint.c during an attempted parse of a crafted HDF file. This results in denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

HDF5: 1.10.2

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External links
https://github.com/SegfaultMasters/covering360/tree/master/HDF5#stack-overflow---stackoverflow_h5p__get_cb

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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.