VDB-247967 · CVE-2023-50268 · GHSA-7hmr-442f-qc8j

jq = 1.7 decNumber buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in jq = 1.7. Impacted is the function decNumber. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2023-50268. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in jq = 1.7. It has been rated as problematic. This issue affects the function decNumber. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. The summary by CVE is:

jq is a command-line JSON processor. Version 1.7 is vulnerable to stack-based buffer overflow in builds using decNumber. Version 1.7.1 contains a patch for this issue.

The weakness was disclosed 12/14/2023 as GHSA-7hmr-442f-qc8j. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-50268 since 12/05/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.7.1 eliminates this vulnerability. Applying the patch c9a51565214eece8f1053089739aea73145bfd6b 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

= 1.7

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 6.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: jq 1.7.1
Patch: c9a51565214eece8f1053089739aea73145bfd6b

Timelineinfo

12/05/2023 🔍
12/13/2023 +8 days 🔍
12/14/2023 +0 days 🔍
01/10/2024 +27 days 🔍

Sourcesinfo

Advisory: GHSA-7hmr-442f-qc8j
Status: Confirmed

CVE: CVE-2023-50268 (🔍)
GCVE (CVE): GCVE-0-2023-50268
GCVE (VulDB): GCVE-100-247967

Entryinfo

Created: 12/14/2023 00:29
Updated: 01/10/2024 14:04
Changes: 12/14/2023 00:29 (52), 01/10/2024 14:04 (11)
Complete: 🔍
Cache ID: 216::103