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Fencer Vulns
low 3.3

CVE-2024-7540 json

oFono AT CMGL Command Uninitialized Variable Information Disclosure Vulnerability

published 2024-08-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-48447

cvss
3.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

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.

Patch / fix

  • ofono Debian 14, Debian 13 2.14-1

debian advisories DEBIAN-CVE-2024-7540

  • ofono Ubuntu Pro 16.04 LTS 1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm3
  • ofono Ubuntu Pro 18.04 LTS 1.21-1ubuntu1+esm3
  • ofono Ubuntu Pro 20.04 LTS 1.31-2ubuntu1+esm3
  • ofono Ubuntu Pro 22.04 LTS 1.31-3ubuntu1.2+esm1
  • ofono Ubuntu Pro 24.04 LTS 1.31-3ubuntu3.24.04.2+esm1

ubuntu advisories UBUNTU-CVE-2024-7540

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ofono openSUSE Leap 16.0 2.19-bp160.1.1
  • ofono openSUSE Tumbleweed 2.19-3.1

opensuse advisories openSUSE-SU-2026:21154-1openSUSE-SU-2026:11095-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-7540 updated cvss 3.3

oFono: oFono: Command Uninitialized Variable Information Disclosure

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • oFono oFono

Classification

Weakness
  • CWE-457 Use of Uninitialized Variable
  • CWE-908 Use of Uninitialized Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.