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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-4235
HistoryApr 17, 2024 - 11:15 p.m.

CVE-2023-4235

2024-04-1723:15:07
Debian Security Bug Tracker
security-tracker.debian.org
11
cve-2023-4235
flaw found
open source telephony
linux
stack overflow
sms decoding
attack scenario
compromised modem
malicious base station

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

48.6%

A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_deliver_report() 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_report().

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

48.6%

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