PT-2022-7549 · Hdf5+2 · Hdf5+2

Zfeixqo · Published 2022-01-21 · Updated 2024-09-12 · CVE-2021-46243

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions HDF5 version 1.13.1-1

Description The issue is related to an untrusted pointer dereference vulnerability in the function H5O dtype decode helper() at hdf5/src/H5Odtype.c in the HDF5 library. This vulnerability can lead to a Denial of Service (DoS) and can be exploited by a remote attacker, potentially causing service disruption.

Recommendations For HDF5 version 1.13.1-1, as a temporary workaround, consider disabling the H5O dtype decode helper() function until a patch is available. Restrict access to the vulnerable H5Odtype.c file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2024-07149

CVE-2021-46243

ECHO-106F-CA1D-E5C4

Affected Products

Debian

Hdf5

Red Os

References · 14

• 🔥 https://github.com/HDFGroup/hdf5/issues/1326 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46243 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-46243 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-07149 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-46243 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-46243 · Security Note
• https://ubuntu.com/security/CVE-2021-46243 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-46243 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46243 · Vendor Advisory
• https://github.com/HDFGroup/hdf5/issues/1327 · Note
• https://github.com/HDFGroup/hdf5/commit/0b4e9cf976438f0a6df7719518d1b1bb96c2caca · Note
• https://redos.red-soft.ru/support/secure · Note
• https://t.me/cibsecurity/36074 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-hdf5-12-09-24 · Note