Low severity · published Jun 10, 2021
CVE-2021-3588
The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading
3.3
CVSS
0.4%
EPSS
No
On KEV
Description
The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BL
Bluez · Bluez
before 5.56 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3588
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3588
Exploit
https://github.com/bluez/bluez/issues/70
Third Party Advisory
https://security.gentoo.org/glsa/202209-16
More from Bluez
9.1
CVE-2021-43400
An issue was discovered in gatt-database.c in BlueZ 5.61
8.8
CVE-2024-8805
BlueZ HID over GATT Profile Improper Access Control Remote Code Execution Vulnerability
8.8
CVE-2022-39177
BlueZ before 5.59 allows physically proximate attackers to cause a denial of service because malformed and invalid capabilities can be processed in profiles/audio/avdtp.c
8.8
CVE-2022-39176
BlueZ before 5.59 allows physically proximate attackers to obtain sensitive information because profiles/audio/avrcp.c does not validate params_len
8.8
CVE-2022-0204
A heap overflow vulnerability was found in bluez in versions prior to 5.63
