CVE-2022-33259 Buffer copy without checking the size of input in Modem

Critical 9.8 Published Updated

A buffer overflow in Qualcomm modem firmware allows attackers to execute arbitrary code or escalate privileges via crafted SMS messages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-33259?

CVE-2022-33259 is a critical memory corruption vulnerability in Qualcomm Mdm8207 Firmware, published on 4 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.

Weakness: CWE-120

Which versions are affected by CVE-2022-33259?

It affects 12 products.

Products include Qualcomm Mdm8207 Firmware, Qualcomm Mdm9205 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Mdm9207 Firmware, Qualcomm Qca4004 Firmware, Qualcomm Qts110 Firmware and 6 more.

How do I fix CVE-2022-33259?

No fix has been published for CVE-2022-33259 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-33259 being exploited?

There is no known exploitation of CVE-2022-33259 in the wild and no public exploit code.

All Qualcomm Mdm8207 Firmware vulnerabilities

Sources

Also known as GHSA-8j5q-w68g-j3wr.

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