CVE & CISA-KEV Catalog

CVE-2023-2794

HIGH
8.1
CVSS v3
NVD

Description

A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_deliver() function during the SMS decoding. It is assumed that the attack scenario is accessible from a compromised modem, a malicious base station, or just SMS. There is a bound check for this memcpy length in decode_submit(), but it was forgotten in decode_deliver().

CWE-119Buffer Overflow

How to fix

Remediation Available
ofonoDebian
Fixed in:1.31-4CVE-2023-2794
Fixed in:1.31-4CVE-2023-2794
ofonoUbuntu
Fixed in:1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm1USN-7141-1
Fixed in:1.21-1ubuntu1+esm1USN-7141-1
Fixed in:1.31-2ubuntu1+esm1USN-7141-1
Fixed in:1.31-3ubuntu1.1USN-7141-1
Fixed in:1.31-3ubuntu3.24.04.1USN-7141-1

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 VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

1.24%probability of exploitation in 30 days
66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Other references1

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-4966Critical9.4100%KEV + RansomFix
CVE-2017-11882High7.8100%KEV + Ransom-
CVE-2020-0796Critical10.0100%KEV + Ransom-
CVE-2008-4250Critical9.899%KEV-
CVE-2017-15944Critical9.898%KEVFix
CVE-2015-0014High10.097%--
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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 2025-11-04.