Critical severity · published Jul 6, 2022
CVE-2022-21744
In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check
9.8
CVSS
3.4%
EPSS
No
On KEV
Description
In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when decoding GPRS Packet Neighbour Cell Data (PNCD) improper neighbouring cell size with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00810064; Issue ID: ALPS06641626.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LR
Lr11 · Mediatek
All versions, or not specified · source: NVD
LR
Lr12 · Mediatek
All versions, or not specified · source: NVD
LR
Lr12a · Mediatek
All versions, or not specified · source: NVD
LR
Lr13 · Mediatek
All versions, or not specified · source: NVD
LR
Lr9 · Mediatek
All versions, or not specified · source: NVD
NR
Nr15 · Mediatek
All versions, or not specified · source: NVD
NR
Nr16 · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-21744
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-21744
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/July-2022
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