Vulnerability · Published Aug 5, 2024 · Assigned by zdi

CVE-2024-7540oFono AT CMGL Command Uninitialized Variable Information Disclosure Vulnerability

Low 3.3

In plain English

A low-severity security flaw in oFono from oFono. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)3.3Low

Exploit odds (30 days)0.3%top 77.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

oFono AT CMGL Command Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information 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+CMGL commands. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-23307.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	ofono	no fix listed	DEBIAN-CVE-2024-7540
Debian:13	ofono	2.14-1	DEBIAN-CVE-2024-7540
Debian:14	ofono	2.14-1	DEBIAN-CVE-2024-7540

Affected products (as reported)

Vendor	Product	Versions
oFono	oFono	1.34

Weakness: CWE-457 · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

ZDI-24-1080 x_research-advisory