Vulnerability · Published Jun 10, 2021 · Assigned by canonical

CVE-2021-3588memory contents disclosure in cli_feat_read_cb

Low 3.3

In plain English

A low-severity out-of-bounds read in BlueZ from BlueZ. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.4%top 60.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12bluez5.55-3.1DEBIAN-CVE-2021-3588
Debian:13bluez5.55-3.1DEBIAN-CVE-2021-3588
Debian:14bluez5.55-3.1DEBIAN-CVE-2021-3588

Affected products (as reported)

VendorProductVersions
BlueZ BlueZ unspecified – before 5.56

Weakness: CWE-788, CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References