QID 198431

Date Published: 2021-07-21

QID 198431: Ubuntu Security Notification for libslirp vulnerabilities (USN-5009-1)

Libslirp incorrectly handled certain header data lengths.
Libslirp incorrectly handled certain udp packets.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

an attacker inside a guest could possibly use this issue to leak sensitive information from the host.
This issue only affected ubuntu 20.04 lts and ubuntu 20.10. (Cve-2020-29129, cve-2020-29130).
An attacker inside a guest could possibly use this issue to leak sensitive information from the host. (Cve-2021-3592, cve-2021-3593, cve-2021-3594, cve-2021-3595).

  • CVSS V3 rated as Medium - 4.3 severity.
  • CVSS V2 rated as Medium - 4 severity.
  • Solution
    Refer to Ubuntu advisory: USN-5009-1 for affected packages and patching details, or update with your package manager.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    USN-5009-1 Ubuntu Linux URL Logo usn.ubuntu.com/5009-1