SB20200324130 - Permissions, Privileges, and Access Controls in bluez (Alpine package)
Published: March 24, 2020
Security Bulletin ID
SB20200324130
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0556)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to improper access control in subsystem for BlueZ. A remote attacker on the local network can gain elevated privileges on the target system and cause a denial of service (DoS) condition.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=1a09b72255fa939c293e1c8f2aee70d067aa6d74
- https://git.alpinelinux.org/aports/commit/?id=d3acf50f550fefb42a5bc481cc8901633c09b839
- https://git.alpinelinux.org/aports/commit/?id=e61670a8667332918c6a88a0f52c50aed9c1a0cd
- https://git.alpinelinux.org/aports/commit/?id=f6fc58556f31047a3a3e540d2d37372b251eafaf
- https://git.alpinelinux.org/aports/commit/?id=2e0d736af0229cda9d23b30f23f85ea7bbcc2686