Out-of-bounds Read in Bluez
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Bluez — versions unspecified
Weakness classification (CWE)
References
- github.com/bluez/bluez/issues/70 (Exploit, Patch, Third Party Advisory)
- security.gentoo.org/glsa/202209-16 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3588?
- CVE-2021-3588 is a low-severity vulnerability in Bluez, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2021-06-10.
- How severe is CVE-2021-3588?
- Low severity. CVSS v3 base score is 3.3 out of 10.