Is CVE-2024-7540 in the CISA KEV catalog?

No. CVE-2024-7540 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-7540?

CVE-2024-7540 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2024-7540?

CVE-2024-7540 has an EPSS score of 0.30% (21th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-7540?

Upgrade ofono on debian 13 to 2.14-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2024-7540

LOW

3.3

CVSS v3

NVD

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.

CWE-457 CWE-908

How to fix

Remediation Available

ofonoDebian

Fixed in:2.14-1CVE-2024-7540

ofonoUbuntu

Fixed in:1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm3USN-8178-1

Fixed in:1.21-1ubuntu1+esm3USN-8178-1

Fixed in:1.31-2ubuntu1+esm3USN-8178-1

Fixed in:1.31-3ubuntu1.2+esm1USN-8178-1

Fixed in:1.31-3ubuntu3.24.04.2+esm1USN-8178-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.30%probability of exploitation in 30 days

21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Third-Party Advisory1

zerodayinitiative.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-08-29.