PT-2020-14597 · Canonical+1 · Pulseaudio+2

Ratchanan Srirattanamet · Published 2020-09-17 · Updated 2020-12-16 · CVE-2020-15710

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Name of the Vulnerable Software and Affected Versions PulseAudio versions prior to 1:8.0-0ubuntu3.14

Description A potential double free in the Bluez 5 module of PulseAudio could allow a local attacker to leak memory or crash the program. The modargs variable may be freed twice in the fail condition in src/modules/bluetooth/module-bluez5-device.c.

Recommendations For versions prior to 1:8.0-0ubuntu3.14, update to version 1:8.0-0ubuntu3.14 to resolve the issue. As a temporary workaround, consider restricting access to the Bluez 5 module until the update is applied.

Fix

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2020-15710

USN-4519-1

Affected Products

Bluez 5

Pulseaudio

Ubuntu

References · 11

• https://osv.dev/vulnerability/USN-4519-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-15710 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-15710 · Security Note
• https://ubuntu.com/security/notices/USN-4519-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-15710 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15710 · Security Note
• https://ubuntu.com/USN-4519-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15710 · Vendor Advisory
• https://launchpad.net/bugs/1884738 · Vendor Advisory
• https://t.me/cvenotify/6337 · Telegram Post
• https://t.me/cibsecurity/16571 · Telegram Post