SB2022042918 - SUSE update for libslirp 

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Main Vulnerability Database SB2022042918

SB2022042918 - SUSE update for libslirp

Published: April 29, 2022

Security Bulletin ID SB2022042918
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Release of invalid pointer or reference (CVE-ID: CVE-2021-3592)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to invalid pointer initialization within the bootp_input() function while processing UDP packets in the SLiRP networking implementation of QEMU. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host.


2) Release of invalid pointer or reference (CVE-ID: CVE-2021-3594)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to invalid pointer initialization within the udp_input() function while processing UDP packets in the SLiRP networking implementation of QEMU. A malicious guest could use this vulnerability to read host memory.

3) Release of invalid pointer or reference (CVE-ID: CVE-2021-3595)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to invalid pointer initialization within the tftp_input() function while processing UDP packets in the SLiRP networking implementation of QEMU. A malicious guest could use this vulnerability to read host memory.

Remediation

Install update from vendor's website.

References