C-Blosc2 up to 2.9.2 zfp/blosc2-zfp.c zfp_rate_decompress null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in C-Blosc2 up to 2.9.2 and classified as problematic. Impacted is the function zfp_rate_decompress of the file zfp/blosc2-zfp.c. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2023-37188. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in C-Blosc2 up to 2.9.2. This affects the function zfp_rate_decompress of the file zfp/blosc2-zfp.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the function zfp_rate_decompress at zfp/blosc2-zfp.c.

The weakness was shared 12/25/2023 as 521. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-37188 since 06/28/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.9.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 425e8a9a59d49378d57e2116b6c9b0190a5986f5 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: C-Blosc2 2.9.3
Patch: 425e8a9a59d49378d57e2116b6c9b0190a5986f5

Timelineinfo

06/28/2023 🔍
12/25/2023 +180 days 🔍
12/25/2023 +0 days 🔍
01/19/2024 +25 days 🔍

Sourcesinfo

Advisory: 521
Status: Confirmed

CVE: CVE-2023-37188 (🔍)
GCVE (CVE): GCVE-0-2023-37188
GCVE (VulDB): GCVE-100-248979

Entryinfo

Created: 12/25/2023 08:55
Updated: 01/19/2024 07:39
Changes: 12/25/2023 08:55 (44), 01/19/2024 07:39 (11)
Complete: 🔍
Cache ID: 216::103

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