C-Blosc2 up to 2.9.2 zfp/blosc2-zfp.c zfp_prec_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 was found in C-Blosc2 up to 2.9.2. It has been rated as problematic. This impacts the function zfp_prec_decompress of the file zfp/blosc2-zfp.c. This manipulation causes null pointer dereference. This vulnerability appears as CVE-2023-37185. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in C-Blosc2 up to 2.9.2. It has been declared as problematic. Affected by this vulnerability is the function zfp_prec_decompress of the file zfp/blosc2-zfp.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

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

The weakness was presented 12/25/2023 as 519. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-37185 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.

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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: 519
Status: Confirmed

CVE: CVE-2023-37185 (🔍)
GCVE (CVE): GCVE-0-2023-37185
GCVE (VulDB): GCVE-100-248983

Entryinfo

Created: 12/25/2023 08:58
Updated: 01/19/2024 08:09
Changes: 12/25/2023 08:58 (44), 01/19/2024 08:09 (11)
Complete: 🔍
Cache ID: 216::103

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