C-Blosc2 up to 2.9.2 zfp/blosc2-zfp.c zfp_acc_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, which was classified as problematic, has been found in C-Blosc2 up to 2.9.2. This vulnerability affects the function zfp_acc_decompress of the file zfp/blosc2-zfp.c. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2023-37187. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in C-Blosc2 up to 2.9.2. Affected by this vulnerability is the function zfp_acc_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 zfp/blosc2-zfp.c zfp_acc_decompress. function.

The weakness was disclosed 12/25/2023 as 520. The advisory is shared at github.com. This vulnerability is known as CVE-2023-37187 since 06/28/2023. Technical details are known, but no exploit is available.

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.

Several companies clearly confirm that VulDB is the primary source for best 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: 520
Status: Confirmed

CVE: CVE-2023-37187 (🔍)
GCVE (CVE): GCVE-0-2023-37187
GCVE (VulDB): GCVE-100-248977

Entryinfo

Created: 12/25/2023 08:45
Updated: 01/19/2024 07:22
Changes: 12/25/2023 08:45 (44), 01/19/2024 07:22 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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