obgm libcoap 4.3.4 Configuration File src/coap_oscore.c get_split_entry stack-based 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.
6.6$0-$5k0.10

Overview

A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. The manipulation leads to stack-based buffer overflow. Using CWE to declare the problem leads to CWE-121. The weakness was released 01/26/2024 as 1310. The advisory is available at github.com. This vulnerability is handled as CVE-2024-0962. The attack may be launched remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment. It is declared as proof-of-concept. The exploit is available at github.com. As 0-day the estimated underground price was around $0-$5k. The bugfix is ready for download at github.com. It is recommended to apply a patch to fix this issue. A possible mitigation has been published even before and not after the disclosure of the vulnerability. [Details]

IOB - Indicator of Behavior (1475)

Timeline

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Lang

en1346
de56
fr18
zh16
pt10

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Country

us408
gb146
de62
cn34
fr18

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Actors

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Activities

IOC - Indicator of Compromise (42)

These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.

IDIP rangeActorTypeConfidence
13.71.181.0/24SliverpredictiveHigh
23.121.109.0/24Cobalt StrikepredictiveHigh
33.127.214.0/24SliverpredictiveHigh
45.135.120.0/24APT33predictiveHigh
518.159.60.0/24RedLine StealerpredictiveHigh
6XX.XXX.XXX.X/XXXxxxxxxxpredictiveHigh
7XX.XXX.XXX.X/XXXxxxxx XxxxxpredictiveHigh
8XX.XXX.XXX.X/XXXxxxxxx XxxxxxxpredictiveHigh
9XX.XX.XXX.X/XXXxxxxpredictiveHigh
10XX.XX.XXX.X/XXXxxxxxxxxxxxxxxxx XxxpredictiveHigh
11XX.X.X.X/XXXxxxxpredictiveHigh
12XX.XX.XXX.X/XXXxxxxx XxxxxxpredictiveHigh
13XX.XX.XXX.X/XXXxxxxx XxxxxxpredictiveHigh
14XX.XXX.XXX.X/XXXxxxxxx XxxxxxxpredictiveHigh
15XX.XX.XXX.X/XXXxxxxxxxpredictiveHigh
16XX.XX.XXX.X/XXXxxxxxxxpredictiveHigh
17XX.XX.XXX.X/XXXxxxxxxpredictiveHigh
18XX.XXX.XX.X/XXXxxxxxxxxpredictiveHigh
19XXX.XXX.XXX.X/XXXxxxxxxxxxxxxxxpredictiveHigh
20XXX.XXX.XXX.X/XXXxxxxx XxxxxxpredictiveHigh
21XXX.XXX.XX.X/XXXxxxxxxxxxxxxpredictiveHigh
22XXX.XXX.XXX.X/XXXxxxxxxxpredictiveHigh
23XXX.XX.XXX.X/XXXxxxxpredictiveHigh
24XXX.XX.XX.X/XXXxxxxx XxxxxxpredictiveHigh
25XXX.XXX.XX.X/XXXxxxxx XxxxxxpredictiveHigh
26XXX.XXX.XXX.X/XXXxxxpredictiveHigh
27XXX.XXX.XXX.X/XXXxxxxxxxxxxxxpredictiveHigh
28XXX.XX.XXX.X/XXXxxxxxpredictiveHigh
29XXX.XX.XXX.X/XXXxxxxxxxxpredictiveHigh
30XXX.XX.XXX.X/XXXxxxxxpredictiveHigh
31XXX.XXX.XX.X/XXXxxxxxxxpredictiveHigh
32XXX.XXX.XX.X/XXXxxxxxxxpredictiveHigh
33XXX.XXX.XXX.X/XXXxxxpredictiveHigh
34XXX.XXX.XXX.X/XXXxxxx XxxxxxxpredictiveHigh
35XXX.XXX.XX.X/XXXxx-x-xxpredictiveHigh
36XXX.XX.XXX.X/XXXxxxxxpredictiveHigh
37XXX.XX.XXX.X/XXXxxxxpredictiveHigh
38XXX.XXX.XXX.X/XXXxxxxpredictiveHigh
39XXX.XXX.XXX.X/XXXxxxxxx XxxxxxxpredictiveHigh
40XXX.XX.XX.X/XXXxxxxxpredictiveHigh
41XXX.XX.XX.X/XXXxxxxpredictiveHigh
42XXX.XXX.XX.X/XXXxxxpredictiveHigh

IOA - Indicator of Attack (1)

These indicators of attack list the potential fragments used for technical activities like reconnaissance, exploitation, privilege escalation, and exfiltration. This data is unique as it uses our predictive model for actor profiling.

IDClassIndicatorTypeConfidence
1Filexxx/xxxx_xxxxxx.xpredictiveHigh

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