#VU37770 Out-of-bounds write in HDF5 - CVE-2017-17509

Vulnerability identifier: #VU37770

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-2017-17509

CWE-ID: CWE-787

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 execute arbitrary code.

In HDF5 1.10.1, there is an out of bounds write vulnerability in the function H5G__ent_decode_vec in H5Gcache.c in libhdf5.a. For example, h5dump would crash or possibly have unspecified other impact someone opens a crafted hdf5 file.

Mitigation
Install update from vendor's website.

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.