SB2021021023 - Remote code execution in wpa_supplicant
Published: February 10, 2021 Updated: February 10, 2022
Security Bulletin ID
SB2021021023
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-0326)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the p2p_copy_client_info() function of p2p.c in wpa_suplicant. A remote attacker pass specially crafted input to the application, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.
References
- https://source.android.com/security/bulletin/2021-02-01
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMHPFCON6ZFCGZXSASJFKQ3UX2UIYMND/
- https://lists.debian.org/debian-lts-announce/2021/02/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VOSA6DZUDLVOCYJNNXD6V3MRBVLCXZFH/
- https://www.debian.org/security/2021/dsa-4898