VDB-250046 · CVE-2024-21646 · GHSA-j29m-p99g-7hpv

azure-uamqp-c 1.0/2024-01-01 Binary Type Data wrap-around

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in azure-uamqp-c 1.0/2024-01-01. It has been declared as critical. Impacted is an unknown function of the component Binary Type Data Handler. Such manipulation leads to wrap-around. This vulnerability is documented as CVE-2024-21646. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in azure-uamqp-c 1.0/2024-01-01. It has been rated as critical. Affected by this issue is some unknown processing of the component Binary Type Data Handler. The manipulation with an unknown input leads to a wrap-around vulnerability. Using CWE to declare the problem leads to CWE-128. Wrap around errors occur whenever a value is incremented past the maximum value for its type and therefore "wraps around" to a very small, negative, or undefined value. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Azure uAMQP is a general purpose C library for AMQP 1.0. The UAMQP library is used by several clients to implement AMQP protocol communication. When clients using this library receive a crafted binary type data, an integer overflow or wraparound or memory safety issue can occur and may cause remote code execution. This vulnerability has been patched in release 2024-01-01.

The weakness was released 01/09/2024 as GHSA-j29m-p99g-7hpv. The advisory is available at github.com. This vulnerability is handled as CVE-2024-21646 since 12/29/2023. The technical details are unknown and an exploit is not available.

Upgrading to version 2024-01-01 eliminates this vulnerability. Applying the patch 12ddb3a31a5a97f55b06fa5d74c59a1d84ad78fe 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. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

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Productinfo

Name

azure-uamqp-c

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
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: Wrap-around
CWE: CWE-128 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: azure-uamqp-c 2024-01-01
Patch: 12ddb3a31a5a97f55b06fa5d74c59a1d84ad78fe

Timelineinfo

12/29/2023 🔍
01/01/2024 +3 days 🔍
01/09/2024 +8 days 🔍
01/09/2024 +0 days 🔍
01/09/2024 +0 days 🔍

Sourcesinfo

Advisory: GHSA-j29m-p99g-7hpv
Status: Confirmed

CVE: CVE-2024-21646 (🔍)
GCVE (CVE): GCVE-0-2024-21646
GCVE (VulDB): GCVE-100-250046

Entryinfo

Created: 01/09/2024 07:06
Changes: 01/09/2024 07:06 (53)
Complete: 🔍
Cache ID: 216::103