Buffer overflow in Ofono
CVE-2024-7538
oFono CUSD AT Command Stack-based Buffer Overflow Code Execution Vulnerability. This vulnerability allows local attackers to execute arbitrary code on affected installations of oFono. An attacker must first obtain the ability to execute code on the target modem in order to exploit this vulnerability. The specific flaw exists within the parsing of responses from AT Commands. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-23190.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ofono — versions 1.34
- Ofono_project Ofono — versions 1.34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-7538?
- CVE-2024-7538 is a high-severity vulnerability in Ofono, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2024-08-06.
- How severe is CVE-2024-7538?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-7538 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.